Family Tree Welborn » Gilbert de Clare 4th Earl of Hertford and 5th Earl of Gloucester, Surety of the Magna Carta (1182-1230)

Personal data Gilbert de Clare 4th Earl of Hertford and 5th Earl of Gloucester, Surety of the Magna Carta 

• He was born in the year 1182 in Hertford, Hertfordshire, England.
• He died on October 25, 1230 in Penros or La Gr√©e-Saint-Laurent, Morbihan, Brittany, France, he was 48 years old.
• He is buried in Tewkesbury Abbey.
• A child of Richard FitzRoger de Clare and Amice de Clare FitzWilliam FitzRobert
• This information was last updated on April 12, 2022.

Household of Gilbert de Clare 4th Earl of Hertford and 5th Earl of Gloucester, Surety of the Magna Carta

He is married to Isabella Marshal Marshall.

They got married.

Child(ren):

1. Richard de Clare  1222-1262 
2. isabel de Brus de Clare  1226-1264 
3. William de Clare  1228-1258 

• The couple has common ancestors.



Notes about Gilbert de Clare 4th Earl of Hertford and 5th Earl of Gloucester, Surety of the Magna Carta



Gilbert de Clare, Earl of Hertford and Gloucester, Surety of the Magna Carta
Gender:
Male
Birth:
1182
Hertford, Hertfordshire, England (United Kingdom)
Death:
October 25, 1230 (47-48)
Penros or La Grée-Saint-Laurent, Morbihan, Brittany, France
Place of Burial:
Tewkesbury Abbey
Immediate Family:
Son of Richard de Clare, 3rd Earl of Hertford, Surety of the Magna Carta and Amice de Clare (FitzWilliam FitzRobert), 4th Countess of Gloucester

Husband of Isabel Marshal, Countess of Cornwall

Father of Robert de Clare; Agnes de Clare; Amice de Clare, of Gloucester; Richard de Clare, 6th Earl of Gloucester; William de Clare; Gilbert de Clare, Earl de Clare and Lady Isabel de Clare, of Gloucester

Brother of Joan de Clare; Mathilde de Clare; Richard de Clare, II and Hawise de Clare

https://www.geni.com/people/Gilbert-de-Clare-4th-Earl-of-Hertford-5th-Earl-of-Gloucester-Surety-of-the-Magna-Carta/5167204065210119923

·Äî·Äî·Äî·ÄîMatrilineal·Äî·Äî·Äî·Äî·Äî
Gilbert de Clare, 4th Earl of Hertford, 5th Earl of Gloucester, Surety of the Magna Carta is your 24th great grandfather.
You
¬â€  ·Üí Geneva Allene Welborn (Smith)
your mother ·Üí Henry Loyd Smith Sr.
her father ·Üí Edgar Jackson Smith (Edgar Jackson Smith)
his father ·Üí Margaret Jane Smith (Houser)
his mother ·Üí Susannah Houser (Moore)
her mother ·Üí Nimrod Moore
her father ·Üí James Moore
his father ·Üí Gulley Moore
his father ·Üí Jeru Moore
his father ·Üí Col. James Moore, Jr.
his father ·Üí Governor James Moore, Sr.
his father ·Üí Nathaniel Moore
his father ·Üí Jane Barnewall
his mother ·Üí Sir Patrick Barnewall of Turvey
her father ·Üí Sir Christopher Barnewall
his father ·Üí Patrick Barnewall of Fieldston and Turvey
his father ·Üí Roger Barnewall, of Kingsland
his father ·Üí Sir Richard Barnewall of Fieldston
his father ·Üí John Barnewall of Frankeston & Kingsland
his father ·Üí Sir Christopher Berneval
his father ·Üí Joan de Heaton (de Clifford)
his mother ·Üí Robert de Clifford, 3rd Lord of Skipton, Sheriff of Westmoreland
her father ·Üí Matilda (Maud) de Clare
his mother ·Üí Sir Thomas of Thomond de Clare, Lord of Thomond
her father ·Üí Richard de Clare, 6th Earl of Gloucester
his father ·Üí Gilbert de Clare, 4th Earl of Hertford, 5th Earl of Gloucester, Surety of the Magna Carta
his father

Gilbert de Clare, 4th Earl of Hertford, 5th Earl of Gloucester is your 27th great grandfather.
You
¬â€  ·Üí Geneva Allene Welborn
your mother ·Üí Henry Loyd Smith, Sr.
her father ·Üí Edith Lucinda Smith
his mother ·Üí William M LEE, Will
her father ·Üí Britton Lee
his father ·Üí William Samuel Lee
his father ·Üí Lemuel Samuel Lee
his father ·Üí Edward Lee, Sr.
his father ·Üí Mary Bryan
his mother ·Üí William Bryan, I
her father ·Üí John Smith Bryan
his father ·Üí Catherine Bryan (Morgan)
his mother ·Üí Catherine Morgan
her mother ·Üí Nicholas Herbert
her father ·Üí Mathew Herbert
his father ·Üí Elizabeth Herbert
his mother ·Üí Elizabeth Berkeley (de Neville)
her mother ·Üí Margaret Fenne, Baroness Abergavenny
her mother ·Üí Phillipa Fiennes
her mother ·Üí Sir Thomas Dacre, Kt.
her father ·Üí Thomas Dacre, 6th Baron Dacre
his father ·Üí Joan Douglas, of Mar
his mother ·Üí James Douglas, 2nd Earl of Douglas and Mar
her father ·Üí Margaret of Mar, Countess of Mar
his mother ·Üí Domhnall II, Earl of Mar
her father ·Üí Christina Bruce
his mother ·Üí Robert de Bruce, 6th Lord of Annandale
her father ·Üí Lady Isabel de Clare, of Gloucester and Hertford,
his mother ·Üí Gilbert de Clare, 4th Earl of Hertford, 5th Earl of Gloucester
her father

Gilbert de Clare, 4th Earl of Hertford, 5th Earl of Gloucester is your 25th great grandfather.
You
¬â€  ·Üí Geneva Allene Welborn
your mother ·Üí Henry Loyd Smith, Sr.
her father ·Üí Edith Lucinda Smith
his mother ·Üí William M LEE, Will
her father ·Üí Britton Lee
his father ·Üí William Samuel Lee
his father ·Üí Lemuel Samuel Lee
his father ·Üí Edward Lee, Sr.
his father ·Üí Mary Lee
his mother ·Üí William Bryan, I
her father ·Üí John Smith Bryan
his father ·Üí Catherine Bryan
his mother ·Üí Catherine Morgan
her mother ·Üí Nicholas Herbert
her father ·Üí Mathew Herbert
his father ·Üí Elizabeth Herbert
his mother ·Üí Elizabeth Berkeley (de Neville)
her mother ·Üí George Neville, 4th and de jure 2nd Baron Bergavenny
her father ·Üí Elizabeth de Beauchamp, Lady of Abergavenny
his mother ·Üí Richard de Beauchamp, 1st Earl of Worcester
her father ·Üí Lady Joan de Beauchamp, Baroness Bergavenny
his mother ·Üí Elizabeth de Bohun, Countess of Arundel
her mother ·Üí Elizabeth de Badlesmere, Countess of Northampton
her mother ·Üí Margaret de Clare, Baroness of Badlesmere
her mother ·Üí Sir Thomas de Clare, Lord of Thomond
her father ·Üí Richard de Clare, 6th Earl of Gloucester
his father ·Üí Gilbert de Clare, 4th Earl of Hertford, 5th Earl of Gloucester
his father

·Äî·Äî·Äî·ÄîPatrilineal·Äî·Äî·Äî·Äî·Äî
Gilbert de Clare, 4th Earl of Hertford, 5th Earl of Gloucester is your 23rd great grandfather.
You ¬â€  ·Üí Marvin "Toad" Henry Welborn, Jr.
your father ·Üí Heny Marvin Welborn, Sr.
his father ·Üí Calhoun H. Welborn
his father ·Üí Sarah Elizabeth Dikes
his mother ·Üí Benjamin Franklin Dykes, II
her father ·Üí William Dykes, Sr.
his father ·Üí George Dykes, Sr.
his father ·Üí Edward George Dykes
his father ·Üí Edward Dykes
his father ·Üí Thomas Dykes
his father ·Üí Edward Dykes
his father ·Üí Thomas Dykes
his father ·Üí Leonard Dykes
his father ·Üí Isabelle Dykes
his mother ·Üí Mary Pennington
her mother ·Üí Mary Hudleston
her mother ·Üí Sir Henry Fenwick
her father ·Üí Margaret de Percy
his mother ·Üí Sir Henry Percy, 1st Earl of Northumberland
her father ·Üí Henry de Percy, 3rd Baron Percy
his father ·Üí Idonea de Clifford, Baronness Percy
his mother ·Üí Matilda (Maud) de Clare
her mother ·Üí Sir Thomas de Clare, Lord of Thomond
her father ·Üí Richard de Clare, 6th Earl of Gloucester
his father ·Üí Gilbert de Clare, 4th Earl of Hertford, 5th Earl of Gloucester
his father

http://en.wikipedia.org/wiki/Gilbert_de_Clare,_5th_Earl_of_Gloucester
Gilbert de Clare, 5th Earl of Hertford (1180 ·Äì October 25, 1230) was the son of Richard de Clare, 4th Earl of Hertford, from whom he inherited the Clare estates, from his mother, Amice Fitz William, the estates of Gloucester and the honour of St. Hilary, and from Rohese, an ancestor, the moiety of the Giffard estates. In June 1202, he was entrusted with the lands of Harfleur and Montrevillers.
In 1215 Gilbert and his father were two of the barons made Magna Carta sureties and championed Louis "le Dauphin" of France in the First Barons' War, fighting at Lincoln under the baronial banner. He was taken prisoner in 1217 by William Marshal, whose daughter Isabel he later married.
In 1223 he accompanied his brother-in-law, Earl Marshal, in an expedition into Wales. In 1225 he was present at the confirmation of the Magna Carta by Henry III. In 1228 he led an army against the Welsh, capturing Morgan Gam, who was released the next year. He then joined in an expedition to Brittany, but died on his way back to Penrose in that duchy. His body was conveyed home by way of Plymouth and Cranborne to Tewkesbury. His widow Isabel later married Richard Plantagenet, Earl of Cornwall & King of the Romans. His own arms were: Or, three chevronels gules.
http://en.wikipedia.org/wiki/Gilbert_de_Clare,_5th_Earl_of_Hertford
--------------------
Earl of Gloucester Gilbert de Clare - was born in 1182 in Hertford, Hertfordshire, England and died on 25 Oct 1230 in Penrose, Brittany, France . He was the son of Earl Richard de Clare and Amice Fitzrobert. Earl of Gloucester Gilbert married Isabel Marshall on 9 Oct 1217. Isabel was born in 1206 in Pembroke, Pembrokeshire, Wales. She was the daughter of Earl William Marshall and Isabel Fitzgilbert de Clare. She died on 16 Jan 1240 in Berkhamstead, Hertfordshire, Lincoln and was buried in Beaulieu, Southampton, England .
Earl of Gloucester Gilbert - - 5th Earl of Hertford.
In June 1202 he was entrusted with the lands of Harfleur and Mostrevilliers. He was one of the Barons still opposing the arbitrary proceedings of the Crown. He championed Louis the Dauphin, fighting at Lincoln under the Baronial banner, and was taken prisoner by William Marshall, whose daughter he later married. He led an army against the Welsh in 1228 and captured Morgan Gam, who was released the next year. After an engagement in Brittany, he died on his return at Penros in that Duchy, 25 October 1230. His body was conveyed by way of Plymouth and Cranbourn to Tewkesbury. He was buried there before the High Altar.
Earl of Gloucester Gilbert de Clare l b: 1182 Hertford, Hertfordshire, England d: 25 Oct 1230 married Isabel Marshall 9 Oct 1217 b: 1206 Pembroke, Pembrokeshire, Wales d: 16 Jan 1240
Parents Earl Richard de Clare (1162 - 1218) & Amice FitzRobert 1160-1224) Earl William Marshall (1144/1146 - 1219) & Isabel Fitzgilbert de Clare (~1172 - 1220)
Grand Parents Earl Roger "The Good" de Clare (<1116 - 1173) & Maude St. Hillary (~1132 - 1195) William Fitzrobert (~1110 - 1183) & Hawise de Beaumont (~1134 - 1197) John Marshall (~1126 - 1164) & Sybil de Evereaux Richard "Strongbow" de Clare (~1130 - ~1176) & Aoife of Leinster ( - >1186)
Hertford had six children by his wife Isabel, née Marshal:[1]
Agnes de Clare (b. 1218) Amice de Clare (1220·Äì1287), who married the 6th Earl of Devon Richard de Clare (1222·Äì1262) Isabel de Clare (1226·Äì1264), who married the 5th Lord of Annandale William de Clare (1228·Äì1258) Gilbert de Clare (b. 12 Sep 1229, Gloucestershire, England)
References ^ Margaret de Burgh and others. thePeerage.com. Retrieved on 2007-04-08. Ancestral Roots of Certain American Colonists Who Came to America Before 1700 by Frederick Lewis Weis, Lines: 54-30, 63-28, 63-29
Hertford had six children by his wife Isabel, née Marshal.
--------------------
The son of Richard de Clare, 4th Earl of Hertford, from whom he inherited the Clare estates, from his mother, Amice Fitz William, the estates of Gloucester and the honour of St. Hilary, and from Rohese, an ancestor, the moiety of the Giffard estates. In June 1202, he was entrusted with the lands of Harfleur and Montrevillers.
In 1215 Gilbert and his father were two of the barons made Magna Carta sureties and championed Louis "le Dauphin" of France in the First Barons' War, fighting at Lincoln under the baronial banner. He was taken prisoner in 1217 by William Marshal, whose daughter Isabel he later married.
In 1223 he accompanied his brother-in-law, Earl Marshal, in an expedition into Wales. In 1225 he was present at the confirmation of the Magna Carta by Henry III. In 1228 he led an army against the Welsh, capturing Morgan Gam, who was released the next year. He then joined in an expedition to Brittany, but died on his way back to Penrose in that duchy. His body was conveyed home by way of Plymouth and Cranborne to Tewkesbury.
--------------------
Earl of Gloucester Gilbert - - 5th Earl of Hertford.
In June 1202 he was entrusted with the lands of Harfleur and Mostrevilliers. He was one of the Barons still opposing the arbitrary proceedings of the Crown. He championed Louis the Dauphin, fighting at Lincoln under the Baronial banner, and was taken prisoner by William Marshall, whose daughter he later married! He led an army against the Welsh in 1228 and captured Morgan Gam, who was released the next year. After an engagement in Brittany, he died on his return at Penros in that Duchy, 25 October 1230. His body was conveyed by way of Plymouth and Cranbourn to Tewkesbury. He is buried there before the High Altar. (Source:http://www.renderplus.com/hartgen/htm/de-claire.htm#name5449)
--------------------
Gilbert de Clare, 5th Earl of Hertford From Wikipedia, the free encyclopedia Jump to: navigation, search Gilbert de Clare, 5th Earl of Hertford 6th Earl of Gloucester 7th Earl of Clare Born 1180 Hertford, Hertfordshire, England Died 25 October 1230 Penrose, Brittany, France Gilbert de Clare, 5th Earl of Hertford (1180 ·Äì October 25, 1230) was the son of Richard de Clare, 4th Earl of Hertford, from whom he inherited the Clare estates, from his mother, Amice Fitz Robert, the estates of Gloucester and the honour of St. Hilary, and from Rohese, an ancestor, the moiety of the Giffard estates. In June 1202, he was entrusted with the lands of Harfleur and Montrevillers.
In 1215 Gilbert and his father were two of the barons made Magna Carta sureties and championed Louis "le Dauphin" of France in the First Barons' War, fighting at Lincoln under the baronial banner. He was taken prisoner in 1217 by William Marshal, whose daughter Isabel he later married.
In 1223 he accompanied his brother-in-law, Earl Marshal, in an expedition into Wales. In 1225 he was present at the confirmation of the Magna Carta by Henry III. In 1228 he led an army against the Welsh, capturing Morgan Gam, who was released the next year. He then joined in an expedition to Brittany, but died on his way back to Penrose in that duchy. His body was conveyed home by way of Plymouth and Cranborne to Tewkesbury. His widow Isabel later married Richard Plantagenet, Earl of Cornwall & King of the Romans. His own arms were: Or, three chevronels gules.
Hertford had six children by his wife Isabel, née Marshal:[1]
Agnes de Clare (b. 1218) Amice de Clare (1220·Äì1287), who married the 6th Earl of Devon Richard de Clare (1222·Äì1262) Isabel de Clare (1226·Äì1264), who married the 5th Lord of Annandale William de Clare (1228·Äì1258) Gilbert de Clare (b. 1229)
[edit] References ^ Margaret de Burgh and others. thePeerage.com. Retrieved on 2007-04-08. Ancestral Roots of Certain American Colonists Who Came to America Before 1700 by Frederick Lewis Weis, Lines: 54-30, 63-28, 63-29 Peerage of England Preceded by Richard de Clare Earl of Hertford 1217·Äì1230 Succeeded by Richard de Clare Preceded by New Creation Earl of Gloucester 1217·Äì1230

http://en.wikipedia.org/wiki/Gilbert_de_Clare,_5th_Earl_of_Hertford

5th Earl of Hertford

Gilbert de Clare, 4th Earl of Hertford (1180 ·Äì 25 October 1230) was the son of Richard de Clare, 3rd Earl of Hertford, from whom he inherited the Clare estates. He also inherited from his mother, Amice Fitz William, the estates of Gloucester and the honour of St. Hilary, and from Rohese, an ancestor, the moiety of the Giffard estates. In June 1202, he was entrusted with the lands of Harfleur and Montrevillers.

In 1215 Gilbert and his father were two of the barons made Magna Carta sureties and championed Louis "le Dauphin" of France in the First Barons' War, fighting at Lincoln under the baronial banner. He was taken prisoner in 1217 by William Marshal, whose daughter Isabel he later married.
In 1223 he accompanied his brother-in-law, Earl Marshal, in an expedition into Wales. In 1225 he was present at the confirmation of the Magna Carta by Henry III. In 1228 he led an army against the Welsh, capturing Morgan Gam, who was released the next year. He then joined in an expedition to Brittany, but died on his way back to Penrose in that duchy. His body was conveyed home by way of Plymouth and Cranborne to Tewkesbury. His widow Isabel later married Richard Plantagenet, Earl of Cornwall & King of the Romans. His own arms were: Or, three chevronels gules.

http://en.wikipedia.org/wiki/Gilbert_de_Clare,_4th_Earl_of_Hertford

http://en.wikipedia.org/wiki/Gilbert_de_Clare,_4th_Earl_of_Hertford

Gilbert de Clare, 5th Earl of Hertford From Wikipedia, the free encyclopedia

Gilbert de Clare, 5th Earl of Hertford (1180 ·Äì October 25, 1230) was the son of Richard de Clare, 4th Earl of Hertford, from whom he inherited the Clare estates, from his mother, Amice Fitz Robert, the estates of Gloucester and the honour of St. Hilary, and from Rohese, an ancestor, the moiety of the Giffard estates. In June 1202, he was entrusted with the lands of Harfleur and Montrevillers.
In 1215 Gilbert and his father were two of the barons made Magna Carta sureties and championed Louis "le Dauphin" of France in the First Barons' War, fighting at Lincoln under the baronial banner. He was taken prisoner in 1217 by William Marshal, whose daughter Isabel he later married.
In 1223 he accompanied his brother-in-law, Earl Marshal, in an expedition into Wales. In 1225 he was present at the confirmation of the Magna Carta by Henry III. In 1228 he led an army against the Welsh, capturing Morgan Gam, who was released the next year. He then joined in an expedition to Brittany, but died on his way back to Penrose in that duchy. His body was conveyed home by way of Plymouth and Cranborne to Tewkesbury. His widow Isabel later married Richard Plantagenet, Earl of Cornwall & King of the Romans. His own arms were: Or, three chevronels gules.
Hertford had six children by his wife Isabel, née Marshal:[1]
* Agnes de Clare (b. 1218)
* Amice de Clare (1220·Äì1287), who married the 6th Earl of Devon
* Richard de Clare (1222·Äì1262)
* Isabel de Clare (1226·Äì1264), who married the 5th Lord of Annandale
* William de Clare (1228·Äì1258)
* Gilbert de Clare (b. 1229)

http://en.wikipedia.org/wiki/Gilbert_de_Clare,_5th_Earl_of_Hertford

·Ä¢ Titles: --1st Earl of Gloucester --5th Earl of Hertford --Lord of Clare

·Ä¢ Dates & Events: -- Gilbert and his father, Richard de Clare, were made Magna Carta Sureties in 1215 --Gilbert de Clare was taken prisoner by William Marshal, whose dauber, Isabella, he would later marry. --He was present at the confirmation of the Great Charter by Henry III in 1225.
http://en.wikipedia.org/wiki/Gilbert_de_Clare%2C_5th_Earl_of_Hertford
GILBERT de CLARE, son of Surety Richard de Clare, and himself a Surety, was born about the year 1180. In June 1202 he was entrusted with the lands of Harfleur and Mostrevilliers. He was one of the Barons still opposing the arbitrary proceedings of the Crown. He championed Louis the Dauphin, fighting at Lincoln under the Baronial banner, and was taken prisoner by William Marshall, whose daughter he later married. He led an army against the Welsh in 1228 and captured Morgan Gam, who was released the next year. After an engagement in Brittany, he died on his return at Penros in that Duchy, 25 October 1230. His body was conveyed by way of Plymouth and Cranbourn to Tewkesbury. He was buried there before the High Altar 10 November 1230. He married Isabella, sister of William Marshall, the Surety, and daughter of William Marshall, the Protector, on 9 October 1217. She died 17 January 1239/40.

Magna Charta Surety Earl of Hertford's heir

Earl of Gloucester (thru his mother) & Hertford (thru his father), Magna Charta Surety.

Sources:
The book, 'Pedigrees of some of the Emperor Charlemagne's Descendants'.
The book, 'William Marshal, The Flower of Chivalry'.
A signer of the Magna Carta.

Sources 1.[S265] Colquoun_Cunningham.ged, Jamie Vans
2.[S284] Oxford University Press, (Oxford University Press)
3.[S289] Betty and Dick Field's Family History, Richard Field
4.[S280] Stirnet Genealogy, Peter Barns-Graham, Clare1 (Reliability: 3)
Earl of Clare, Earl of Hertford, Baron of Clare, Knight of Suffolk.
Eldest son of Sir Richard de Clare, Earl of Hertford and Amice FitzWilliam of Gloucester, grandson of Sir Roger de Clare and Maud Saint Hilary, William FitzRobert, Earl of Gloucester and Hawise de Beaumont.
Gilbert married Isabel Marshal, the daughter of Sir William Marshal and Isabel FitzRichard, also the granddaughter of Richard Strongbow FitzGilbert de Clare. They were married 09 Oct 1217 on Isabel's seventeenth birthday, and had three sons and three daughters: Sir Richard, Earl of Gloucester William, poisoned in 1258 Gilbert, born 13 Sep 1229, priest Amice, wife of Sir Baldwin de Rivers and Sir Robert de Guines Agnes, born 1218, nothing else known Isabel, wife of Robert de Brus of Scotland
Gilbert inherited the titles of Earl of Hertford from his father and the Earl of Gloucester from his mother in 1217 within her lifetime, as well as a share of the Giffard estates from a "Tonbridge" relative, Rohese Giffard. Gilbert settled disputes with his cousin, Amaury's wife, Milicent de Cantwlowe, by giving her the manor of Hambledon in Buckinghamshire 1217.
Gilbert and his father were made Magna Carta Barons in 1215, and ex-communicated by Pope Innocent 16 Dec 1215 as a result. They both were fighting with Louis "le Dauphin" King of France in the First Barons War at Lincoln in May of 1217. Gilbert was taken prisoner by William Marshall, whose daughter he wed the same year, his lands and properties restored. He was ordered in 1222 by King Henry III to stop attacking the castle of Dinaunt in Wales, witnessed the king's confirmation of the Magna Carta in 1225, then sided with the King;s brother, Richard III. Gilbert led the army in Wales who captured Morgan Gam in 1228, also discovering iron, lead and silver mines in Wales.
In 1230, Gilbert accompanied the king to Brittany where Gilbert died at Penros. His body was taken back to England by way of Plymouth and Cranborne to Tewkesbury where he was buried November 10th. His widow would remarry the following year to Richard, Earl of Cornwall and son of King John Lackland.
Updated from Find A Grave Memorial by SmartCopy: Nov 1 2014, 6:44:39 UTC
ID: I08310 Name: Gilbert de Clare Sex: M Birth: ABT 1180 in 4th Earl of Gloucester Death: 25 OCT 1230 Reference Number: 8310 Note: Gilbert de Clare, 4th Earl of Gloucester was born circa 1180.1 He was the son of Richard de Clare, 4th Earl of Hertford and Amice FitzRobert. He married Lady Isabella Marshal, daughter of William Marshal, 4th Earl of Pembroke and Isabella de Clare, Countess Strigoil, on 9 October 1217 in Tewkesbury Abbey, Tewkesbury, Gloucestershire, England.1 He was also reported to have been married in 1214. He died on 25 October 1230. Gilbert de Clare, 4th Earl of Gloucester gained the title of 4th Earl of Gloucester. He gained the title of 5th Earl of Hertford.1
Children of Gilbert de Clare, 4th Earl of Gloucester and Lady Isabella Marshal Agnes de Clare 1 Amice de Clare+ b. c 1220, d. 12841 Richard de Clare, 2nd Earl of Gloucester+ b. 4 Aug 1222, d. 1262 Isabella de Clare+ b. 2 Nov 1226, d. a 10 Jul 12642 William de Clare b. 1228, d. 12581 Gilbert de Clare b. 12291 Citations
[S11] Alison Weir, Britain's Royal Family: A Complete Genealogy (London, U.K.: The Bodley Head, 1999), page 68. Hereinafter cited as Britain's Royal Family. [S6] G.E. Cokayne; with Vicary Gibbs, H.A. Doubleday, Geoffrey H. White, Duncan Warrand and Lord Howard de Walden, editors, The Complete Peerage of England, Scotland, Ireland, Great Britain and the United Kingdom, Extant, Extinct or Dormant, new ed., 13 volumes in 14 (1910-1959; reprint in 6 volumes, Gloucester, U.K.: Alan Sutton Publishing, 2000), volume II, page 359. Hereinafter cited as The Complete Peerage.

Earl of Gloucester Gilbert - - 5th Earl of Hertford.
married Isabel Marshall on 9 Oct 1217. Isabel was born in 1206 in Pembroke, Pembrokeshire, Wales. She was the daughter of Earl William Marshall and Isabel Fitzgilbert de Clare. She died on 16 Jan 1240 in Berkhamstead, Hertfordshire, Lincoln and was buried in Beaulieu, Southampton, England .
In June 1202 he was entrusted with the lands of Harfleur and Mostrevilliers. He was one of the Barons still opposing the arbitrary proceedings of the Crown. He championed Louis the Dauphin, fighting at Lincoln under the Baronial banner, and was taken prisoner by William Marshall, whose daughter he later married. He led an army against the Welsh in 1228 and captured Morgan Gam, who was released the next year. After an engagement in Brittany, he died on his return at Penros in that Duchy, 25 October 1230. His body was conveyed by way of Plymouth and Cranbourn to Tewkesbury. He was buried there before the High Altar.

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