Guillaume of TANCERVILLE 
Guillaume of was born about 1054 in Tancarville, Le Havre, Seine-Infereiure, Normandy, France. Guillaume of's father was Raoul (Ralph) of TANCERVILLE and his mother was Helesinde UNKNOWN. His paternal grandfather was Gerard of TANCARVILLE. He was an only child. He died in 1129.
They had a daughter named Lucy de.
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Children
Lucy de TANKERVILLE
Lucy de was born about 1090 in Tancarville, Le Havre, Seine-Infereiure, Normandy, France. She died about 1165.