Eustache I Count of BOULOGNE & Mahaut of LOUVAINE 
They had a son named Eustache II Count de.
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Personal Details
Eustache I Count of BOULOGNE
Eustache I Count of was born about 1004 in Boulogne, France. He died in 1049.
Mahaut of LOUVAINE
Mahaut of was born about 0999 in Louvain, Brabant, Belgium. Mahaut of is no longer alive.
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Children
Eustache II Count de BOULOGNE
Eustache II Count de was born about 1024 in Boulogne, France. He died about 1093.