Eudes De+ Penthievre
Eudes De+ was born before 1009 in Penthievre, Bretagne, France.  He died on January 7th, 1079.

 Agnes De+ Cornouaille
Agnes De+ was born about 1030 in Cornouaille, Ile-et-Vilaine, Bretagne, France.

 Matilda De+ Penthievre
Matilda De+ was born about 1046 in Penthievre, Morbihan, Bretagne, France.

 Ribald De+ Penthievre
Ribald De+ was born about 1055 in Penthievere, Morbihan, Bretagne/Brittany, France.  He died in 1121 in Middleham, Yorkshire, England.

 Etienne De+ Penthievre
Etienne De+ was born about 1062 in Penthievre, Bretagne, France.  He died in Quire, St. Mary, Yorkshire, England.