William De Montagu & Katherine De Grandison 
William De and Katherine De were married in a religious ceremony in 1327 in Of, Cassington, Oxfordshire, England.1 They had two sons and four daughters, named John De, William De, Elizabeth De, Anne (Anneys) De, Philippe De and Sibyl De.
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Personal Details
William De Montagu
William De was born in 1303 in Cassington, Oxfordshire, England.1 He died in Windsor Castle, Berkshire, England.1
Katherine De Grandison
Katherine De was born about 1304 in Ashford, Hertfordshire, England.1 She died on November 23rd, 1349 in Bisham, Berkshire, England.1
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Children
Elizabeth De Montagu
Elizabeth De was born about 1305 in Of, Donyatt, Somersetshire, England.1 She died on May 31st, 1359 in Ashley, Hampshire, England.1
William De Montagu
William De was born on June 25th, 1328 in Of, Salisbury, Wiltshire, England.1 He died at the age of 68 on June 3rd, 1397 in Sps.1
Anne (Anneys) De Montagu
Anne (Anneys) De was born about 1330 in Of, Cassington, Oxfordshire, England.1 1
Philippe De Montagu
Philippe De was born about 1332 in Of, Salisbury, Wiltshire, England.1 She died in Bisham, Berkshire, England.1