John de Bourg de TONSBURGH & Jean de Mellent UNKNOWN 
They had a son named Harlevin de.
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Personal Details
John de Bourg de TONSBURGH
John de Bourg de was born about 0969 in Conteville, Lorraine, France. John de Bourg de is no longer alive.
Jean de Mellent UNKNOWN
Jean de Mellent was born about 0974 in Mellent, Normandy, France. Jean de Mellent is no longer alive.
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Children
Harlevin de CONTEVILLE
Harlevin de was born about 1001 in Conteville, Lorraine, France. He died about 1066.