Eudes I De+ Porhoet
Eudes I De+ was born before 1066.

 Emma Anne De+ Leon
Emma Anne De+ was born about 1066.  She died in 1092.

 Geoffroy La Zouche De+ Porhoet
Geoffroy La Zouche De+ was born about 1080 in Of, Guillers, Morihan, France.

 Alain I De Rohan
Alain I De was born about 1085.  He died in 1128.