Stephenson Family Tree » John of Gaunt 1st Duke of Lancaster (1340-1399)

Personal data John of Gaunt 1st Duke of Lancaster 


Household of John of Gaunt 1st Duke of Lancaster

Waarschuwing Attention: Wife (Katherine de Roet Swinford) is also his cousin.

(1) He is married to Blanche of Lancaster.

They got married on May 19, 1359 at Queens Chapel, Reading Abbey, Reading, Berkshire, England, he was 19 years old.


Child(ren):

  3. Edward of Lancaster  1365-1365
  4. John of Lancaster  1366-1367
  6. John of Lancaster  1404-1410


(2) He is married to Blanche of Lancaster.

They got married on May 19, 1359 at Queens Chapel, Reading Abbey, Reading, Berkshire, England, he was 19 years old.


Child(ren):

  3. Edward of Lancaster  1365-1365
  4. John of Lancaster  1366-1367
  6. John of Lancaster  1404-1410


(3) He is married to Katherine de Roet Swinford.

They got married May 1366 at St. Clements Danes, Westminster, Middlesex, England, he was 26 years old.


Child(ren):

  1. Joan Beaufort  1375-1440 
  2. Thomas Beaufort  1377-1426


(4) He had a relationship with Constanza de Castilla y Leon.


(5) He has/had a relationship with Katherine de Roet Swinford.


(6) He had a relationship with Marie de St. Hilaire.


(7) He had a relationship with Blanche of Lancaster.

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Timeline John of Gaunt 1st Duke of Lancaster

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Ancestors (and descendant) of John of Gaunt


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Historical events

Birthday March 6, 1340

Day of marriage May 19, 1359

Day of death February 3, 1399



Same birth/death day

Source: Wikipedia

Source: Wikipedia


About the surname Of Gaunt

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When copying data from this family tree, please include a reference to the origin:
Brian K. Stephenson , "Stephenson Family Tree", database, Genealogy Online (https://www.genealogieonline.nl/stephenson-family-tree/I52496.php : accessed April 30, 2025), "John of Gaunt 1st Duke of Lancaster (1340-1399)".