William de INSULA 
William de was born in 1186. William de's father was Robert II de INSULA and his mother was Beatrice CORMEILLES. His paternal grandparents were Robert de INSULA and Galiena le BLOUNT; his maternal grandfather was Ralph CORMEILLES. He was an only child.-
Ancestor Pedigree Chart
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- b.1126 in Harewood, Yorkshire, England
- b.1156 in Harewood, Yorkshire, England d.1208/1208
- b.1052 in Ixworth, Suffolkshire, England
- b.1076 in Ixworth, Staffordshire, England d.~ 1169
- b.1058 in Ixworth, Suffolkshire, England
- b.1126 in Ixworth, Suffolkshire, England
- b.1065 in Normandy, France d.1139
- b.1097 in Norfolkshire, England
- b.1060 in Normandy, France
- b.1186
- b.~ 1140 in Ele, Cambridgeshire, England
- b.~ 1171 in Ely, Cambrdigeshire, England
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He had a biological daughter named Margaret de.
