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Male **William de Grandison Click to view **William de Grandison in the family tree

**William was born in 1255 in Cassington, Oxfordshire, England.  **William's father is **Amadeus de Grandison and his mother is **Banoile de la Tour.  He was an only child.  He died at the age of 80 on June 27th, 1335.


**William's first family with **Blanche de Savoy

They had a daughter named **Agnes.


**William's second family with **Sibyl de Tregoz

They had two daughters named **Mabilia and **Katherine.

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