Children

 Olive De Penthièvre
Olive was born in 1095.


 Alain II Le Noir De Penthièvre
Alain II Le Noir was born in 1100.  He died at the age of 46 on September 15th, 1146.


 Agnorie De Lamballe
Agnorie was born in 1105.  She died at the age of 62 in 1167.


 Geoffroi II Botherel De Lamballe
Geoffroi II Botherel was born in 1110.


 Henry Ier De Tréguier
Henry Ier was born in 1110.  He died at the age of 80 in 1190.


 Théophanie De Penthièvre
Théophanie was born about 1115.