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

Guillaume was born about 1098.  Guillaume's father was Sir Miles de Courtenay and his mother was Ermengarde de Nevers.  His paternal grandparents were Josceline de Courtenay and Isabel de Montlhbery; his maternal grandparents were II Renaud and Ida de Forez. He had two brothers named Josceline and Seigneur de Courtenay.  He was the second oldest of the three children.

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