William de Tancarville
William was born in 1054.  He died before 1128.

 Matilda de Arques
Matilda was born in 1057 in Normandy, France.  Matilda is no longer alive.

 Renebault de Tancarville
Renebault was born in 1070 in Tancarville, Normandy, France.  He died at the age of 70 in 1140.