Eudon Ier De Porhoët
Eudon Ier was born about 1055.  He died in 1092.

 Anne Ou Emma De Léon
Anne Ou Emma was born about 1065.  She died in 1092.

 Alain Ier De Rohan
Alain Ier was born in 1085.  He died at the age of 43 in 1128.

 Geoffroi De Porhoët
Geoffroi was born about 1090.  He died in 1142.