Alain De+ Penthievre
Alain De+ was born about 1099 in Yorkshire, England.  He died on September 15th, 1146.

 Berthe I De+ Cornouaille
Berthe I De+ was born in 1119 in Brittany, France.  She died at the age of 38 in 1157 in Richmond, Yorkshire, England.

 Conan IV De+ Penthievre
Conan IV De+ was born about 1138.  He died on February 20th, 1171.

 Constance De Penthievre
Constance De was born about 1140.  She died after June 23rd, 1184.

 Brian I De Penthievre+ Fitzalan
Brian I De Penthievre+ was born about 1145 in Bedale, Richmondshire, England.