Eustache & Mahaut Of Louvain 
Eustache and Mahaut Of were married in a religious ceremony about 1005 in Of, Brabant, Belgium.1 They had two sons named Lambert Of and II.
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Children
Lambert Of Boulogne
Lambert Of was born about 1020 in Of, Boulogne, Picardy, France.2 He died in 1054 in Spm Battle Of, Lille, FLANDERS.2