Gerald de TANKERVILLE
Gerald de was born in 1015 in Tancarville, Le Havre, Seine-Infereiure, Normandy, France.  Gerald de is no longer alive.

 Helesinde UNKNOWN
Helesinde was born about 1020 in Normandy, France.  Helesinde is no longer alive.

 Ralph de TANKERVILLE
Ralph de was born about 1034 in Tancarville, Le Havre, Seine-Infereiure, Normandy, France.