Eustace I Count of BOULOGNE 
Eustace I Count of was born about 0985 in Boulogne, Artois, France. He died about 1049 in Brabant, Belgium.
They had a son named Lambert of.
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Children
Lambert of LENS
Lambert of was born about 1022 in LEns, Normandy, France. He died in 1054 in Bataille de Lille, Flanders.