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Male Count Eustace ("aux Gernons") III of Boulogne & Lens Click to view Count Eustace ("aux Gernons") III of Boulogne & Lens in the family tree

Eustace, known as "aux Gernons", was born about 1058.  "aux Gernons"'s father was Count Eustace II of Boulogne & Lens and his mother was Ida of Bouillon.  His paternal grandfather was Count Eustache of Boulogne and his paternal grandmother is Mahaut of Louvain; his maternal grandparents were Duke Geoffrey ("the Bearded") III of Upper Lorraine and Princess Beatrix of Bavaria.  He was an only child.  He died in 1125.


"aux Gernons"'s family with Mary of Scotland

‌"aux Gernons" and Mary were married in a religious ceremony in 1102.  They had a daughter named Matilda.

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