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Female Katherine Grandison Click to view Katherine Grandison in the family tree

Katherine was born about 1304 in Ashford, Hertfordshire, Eng.  Katherine's father was William St Baron De Grandison and her mother was Sibyl De Tregoz.  Her paternal grandparents were Amadeus De Grandson and Benoite De La Tour; her maternal grandparents were John St Baron De Tregoz and Mabel Fitzwarin. She had a brother and a sister, named Piers Nd Baron De and Mabel De.  She was the youngest of the three children. She had a half-sister named Agnes De.  She died on November 23rd, 1349 in Bisham, Berkshire, England.


Katherine's family with William De Montagu

‌Katherine and William De were married in a religious ceremony in 1327 in Cassington, Oxfordshire, Eng.  They had a son and a daughter, named John De and Phillipa De.

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