Sire William de Tankerville
William was born about 1054 in Tancarville, Le Havre, Seine-Inferieure, Normandy, France.  He died in 1129.

 Maud d'Arques
Maud was born about 1057 in Arques-la-Bataille, Seine-Inferieure, Normandy, France.

 Renebald Tankerville de Clinton
Renebald was born about 1070 in Kenilworth Castle, Warwick, England.

 Lucy de Tankerville
Lucy was born about 1090 in Tancarville, Le Havre, Seine-Inferieure, Normandy, France.  She died about 1165.