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Male Eustace I de Boulogne Click to view Eustace I de Boulogne in the family tree

Eustace I was born in Boulogne, Artois, France.  Eustace I's father was Baudouin\Ernicule II de Boulogne and his mother was Ada of Ghent.  His paternal grandparents were Guy De Boulogne and Widow of Arnoul De Boulogne; his maternal grandparents were Arnulf of West Friesland and Luitgarde of Luxemburg. He had a brother named Ernicule.  He died in Brabant, Belgium.

Eustace I's family with Mahaut (Maud) de Louvain

‚ÄĆEustace I and Mahaut (Maud) were married in a religious ceremony about 1022 in Brabant, Belgium.  They had two sons and a daughter, named Lambert of, Eustace of and Ida.

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