*William De Montagu
born Abt 1275 Of, Cassington, Oxfordshire, England
died 18 Oct 1319/1320

father:
*Simon De Montagu
born1250 Of, Montacute, Somersetshire, England
died 26 Sep 1316 Priory, Burton, Somersetshire, England
buried 2 Nov 1316 Bruton Priory, Bruton, Somersetshire, England

mother:
*Hawaise De Saint Amand
born Abt 1252 Isle Of Man
died 1287
married Abt 1270 Of, Shepton Montague, Somersetshire, England

siblings:
William De Montagu born Abt 1275 Of, Cassington, Oxfordshire, England
died 18 Oct 1319/1320
John De Montagu born Abt 1278 Of, England

spouse:
*Elizabeth De Montford
born Abt 1275 Of, Beaudesert, Warwickshire, England
died 1345
buried Christ Church, Oxford, Oxfordshire, England
married Abt 1292 Of, Cassington, Oxfordshire, England

children:
Mary De Montagu born 1313 Salisbury, Wiltshire, England
John Montagu born 1299 Salisbury, Wiltshire, England
Simon Montagu born 1303 Salisbury, Wiltshire, England died 1336
Maud Montagu born 1307 Salisbury, Wilsthire, England
Edward Montagu born 1309 Salisbury, Wilsthire, England died 1342
Alice Montagu born 1311 Salisbury, Wiltshire, England
Katherine Montagu born 1315 Salisbury, Wiltshire, England
Hawise Montagu born 1317 Salisbury, Wiltshire, England
Isabel Montagu born 1319 Salisbury, Wiltshire, England
*Baron William De Montagu born 1302/1303 Cassington, Oxfordshire, England
died 30 Jan 1343/1344 Windsor Castle, Berkshire, England
buried Bisham, Berkshire, England

biographical and/or anecdotal:

notes or source:
LDS