Eustache de Boulogne

Eustache was born in 0960 in Boulogne, Artois, France.¹   Eustache's father was Comte Arnoul de Boulogne II and his mother was <Unknown>.  His paternal grandparents were Comte Guillaume de Ponthieu I and <Unknown>. He had a brother and a sister, named Guy and Mathilde.  He was the second oldest of the three children.