Eudes De Penthievre Count
Eudes was born in 0999.  He died at the age of 80 on January 7th, 1079.  He was buried in January 1079.

 Agnes De Cornouaille
Agnes was born about 1018.

 Bardolf Fitz Eudon
Bardolf was born about 1040 in , , , Brittany.

 Etienne De Penthievre Count
Etienne was born about 1060.  He died on April 21st, 1138.  He was buried in April 1138 in St Marys, , Yorkshire, England.