Stephen De Penthievre
Stephen was born about 1058 in Penthievre, Brittany, France.  He died on April 21st, 1135 in Richmond Castle, North Riding, Yorkshire, England.

 Hawise De Guincampe
Hawise was born about 1075.  She died about 1136 in Richmond Castle, North Riding, Yorkshire, England.

 Matilda of Brittany
Matilda of was born about 1095 in Bretagne, Rennes, France.  She died in 1132.