Click to expand/collapse all notes Click to expand/collapse all other details

Male William de Mortaigne Click to view William de Mortaigne in the family tree

William was born about 1064 in Cornwall, England.  William's father was Robert de Mortaigne and his mother was Mathilde Maud de Montgomery.  His paternal grandparents were Viscount de Conteville Herluin and Herleva Arlette De Falaise; his maternal grandparents were Roger II de Montgomery and Mabel Talvas d'Alencon. He had a brother and three sisters, named Richard, Emma, Denise and Agnes.  He was the youngest of the five children.  He died in 1140.


William's first family with Isabel Fitz Richard de Clare

They had a daughter named Beatrice.


William's second family

He had a biological son named Aldhelm de Burgo.

Page last modified