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

Guillaume was born about 1170 in Of, COURTENAY, Galinois, France.1   Guillaume's father was Pierre Prinz von Frankreich and his mother was Isabelle (Elizabeth) von Courtenay.  His paternal grandparents were Louis VI Koenig Von Frankreich and Adelaide von Savoien De Maurienne; his maternal grandparents were Renaud (Reginald) Seigneur von Courtenay and Hawise von Donjon. He had four brothers and six sisters, named Pierre II, Robert, Philippe, Jean, Daughter, Alix, Eustachia, Clementia, Daughter and Constance. He had two half-sisters named Alix and Peter II Koenig.  He died in 1234.1 

Family Details of Guillaume's family with Adeline De Noyers

Family Details of Guillaume's family with Nicolaea

1 World Family Tree Vol. 11, Ed. 1 @ Tree #3804

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