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Male William De Courtenay Click to view William De Courtenay in the family tree

William was born in 1220.1   William's father was Robert De Courtenay Baron Okehampton and his mother was Mary De Reviers.  His paternal grandparents were Renaud II Lord De Courtney and Hawise De Courcy; his maternal grandparents were William Baron De Vernon and Mabel De Beaumont. He had a brother and two sisters, named John, Hawise and Egeline.  He was the oldest of the four children. He had a half-brother named William.1 

1 Joanne's Tree.1 GED.GED
Further source/citation:
daveanthes.FTW

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