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

William was born after 1218.  William's father was Robert de Courtenay and his mother is Mary de Vernon de Reviers.  His paternal grandparents were Reginald de Courtenay and Hawise de Courcy de Abrincis; his maternal grandparents were William de Vernon de Reviers and Maud de Beaumont. He had a brother and two sisters, named John, Egeline and Hawise.  He is the youngest of the four children. He has a half-brother named William.

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