William de GRANDISON, KNIGHT

Birth:
Abt 1255/64
of Cassington, Oxfordshire, England
Death:
27 Jun 1335
Marriage:
Abt 1285/86
of Donyatt, Somerset, England
User Submitted
Sybil TREGOZ
Birth:
1271
Ewyas Harold, Hereford, England
Death:
12 Oct 1334
Children
Marriage
1
Piers (Peter) de GRANDISON, BARON OF GRANDISON
Birth:
1286
of Ashperton, Hereford, England
Death:
10 Aug 1358
Blanche de MORTIMER, BARONESS OF GRANDISON 
Marr:
Bef 10 Jun 1330
of Wigmore, Hereford, England 
Notes:
                   AFN record lists age as 14 in 1301.
2
Agnes GRANDISON
Birth:
Abt 1289
Bletsoe, Bedfordshire, England
Death:
4 Dec 1348
 
Marr:
 
3
Mabilia de GRANDISON
Birth:
Abt 1294
of Ashperton, Hereford, England
Death:
4
John GRANDISON
Birth:
1299
of Ashperton, Hereford, England
Death:
 
Marr:
 
Notes:
                   AFN record lists age as 60 in 1359.
5
Katherine de GRANDISON
Birth:
Abt 1304
of Ashperton, Hereford, England
Death:
23 Nov 1349
Bisham, Berkshire, England
William de MONTAGU (MONTACUTE) 
Marr:
1327
of Cassington, Oxfordshire, En 
FCID:6414:25490
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William de Grandison, Knight - Sybil Tregoz

William de Grandison, Knight was born at of Cassington, Oxfordshire, England Abt 1255/64. His parents were Pierre I, Sire de Grandson and Agnes de Neuchatel.

He married Sybil Tregoz Abt 1285/86 at of Donyatt, Somerset, England . Sybil Tregoz was born at Ewyas Harold, Hereford, England 1271 daughter of John de Tregoz, Lord and Mabel Fitzwarin .

They were the parents of 5 children:
Piers (Peter) de Grandison, Baron of Grandison born 1286.
Agnes Grandison born Abt 1289.
Mabilia de Grandison born Abt 1294.
John Grandison born 1299.
Katherine de Grandison born Abt 1304.

William de Grandison, Knight died 27 Jun 1335 .

Sybil Tregoz died 12 Oct 1334 .