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Male Eustace I De Boulogne Count of Boulogne Click to view Eustace I De Boulogne Count of Boulogne in the family tree

Eustace I was born about 1004 in Boulogne-sur-Mer, Artois, France.1   Eustace I's father was III Count of Boulogne Baldwin and his mother is Adele De Boulogne.  His maternal grandparents were "The Great" Count of Frisia Arnulf and Liutgard Countess of Luxembourg. He had a half-brother named II Count Poitou Montreuil.  He died in 1049.1 


Eustace I's first family with Countess of Boulogne Matilda

‌Eustace I and Countess of Boulogne were married in a religious ceremony before 1030 in Brabant, Belgium.  They had two sons and a daughter, named Lambert, De Boulogne Count of Boulogne-Lens and Gerberge.


Eustace I's second family with Maude de Louvain

‌Eustace I and Maude de were married in a religious ceremony in Brabant, Belgium.  They had a son named Lambert de.

1 baeldaeg.FTW
2 carew20.FTW

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