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.

 Renebault de Tankerville
Renebault was born about 1080 in Tancarville, Le Havre, Seine-Inferieure, Normandy, France.  He died in 1140.

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