William deTancarville
William was born in 1110 in Normandy, France.  He died at the age of 19 in 1129.

 Maud of Arques
Maud of was born in 1083.  Maud of is no longer alive.

 Renalbus deTancarville
Renalbus was born in 1098 in Normandy, France.  He died in Clinton, Oxon, England.

 Lucy de Tancarville
Lucy was born in 1104.  She died at the age of 61 in 1165.