Stephenson Family Tree » Sir William de Grandison 1st Baron Grandison (1255-1335)

Personal data Sir William de Grandison 1st Baron Grandison 


Household of Sir William de Grandison 1st Baron Grandison

(1) He is married to Sibyl de Tregoz.

They got married before 1285 at Donyatt, Somerset, England.


Child(ren):

  1. Peter de Grandison  1297-1358 
  2. Agnes de Grandison  1289-1349 
  3. John de Grandison  1292-1369
  4. Mabilia Grandison  ± 1294-1350 
  5. Matilda de Grandison  ± 1301-> 1359
  6. Thomas de Grandison  ± 1302-1317
  7. Catherine Grandison  1304-1349 
  8. Otto de Grandison  ????-1359


(2) He is married to Sibyl de Tregoz.

They got married before 1285 at Donyatt, Somerset, England.


Child(ren):

  1. Peter de Grandison  1297-1358 
  2. Agnes de Grandison  1289-1349 
  3. John de Grandison  1292-1369
  4. Matilda de Grandison  ± 1301-> 1359
  5. Thomas de Grandison  ± 1302-1317
  6. Catherine Grandison  1304-1349 
  7. Otto de Grandison  ????-1359


(3) He is married to Blanche de Tregoz.

They got married at Lake, Neuchatel, Switzerland.


(4) He had a relationship with Jeannette de Gruyère.

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Timeline Sir William de Grandison 1st Baron Grandison

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Ancestors (and descendant) of William de Grandison

Granson
1156-????

William de Grandison
1255-1335

(1) < 1285
Mabilia Grandison
± 1294-1350
Matilda de Grandison
± 1301-> 1359
(2) < 1285
Matilda de Grandison
± 1301-> 1359
(3) 

Blanche de Tregoz
± 1267-1323

(4) 

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Same birth/death day

Source: Wikipedia


About the surname De Grandison


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/I67043.php : accessed May 3, 2025), "Sir William de Grandison 1st Baron Grandison (1255-1335)".