Eudes De Brittany
Eudes was born about 0999 in Penthievre, Brittany, France.  He died on January 7th, 1079.

 Agnes De Cornouaille
Agnes was born about 1025 in Cornouaille, Normandy, France.

 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.

 Ribald De Middleham
Ribald was born about 1060 in Penthievre, Brittany, France.  He died in 1131 in Middleham, Yorkshire, England.