Gerald de TANKERVILLE 
Gerald de was born in 1015 in Tancarville, Le Havre, Seine-Infereiure, Normandy, France. Gerald de's father was Ralph Fitzherlewin de TANCARVILLE. His paternal grandfather was Herlewin de TANCARVILLE. He was an only child. Gerald de is no longer alive.
They had a son named Ralph de.
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Children
Ralph de TANKERVILLE
Ralph de was born about 1034 in Tancarville, Le Havre, Seine-Infereiure, Normandy, France.