William Sire de Tankerville 
William Sire de was born about 1054 in Tancarville, Le Havre, Seine-Inferieure, Normandy, France. He died in 1129.
They had a son and a daughter, named Renebault Sire de and Lucy de.
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Children
Renebault Sire de Tankerville
Renebault Sire de was born about 1080 in Tancarville, Le Havre, Seine-Inferieure, Normandy, France. He died in 1140.
Lucy de Tankerville
Lucy de was born about 1090 in Tancarville, Le Havre, Seine-Inferieure, Normandy, France. She died about 1165.
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