Guigues-Meschin Ier De Chateauneuf
Guigues-Meschin Ier was born in 1145.  He died at the age of 55 in 1200.

 Guillemette De Saissac
Guillemette was born in 1150.  Guillemette is no longer alive.

 Odilon De Chateauneuf
Odilon was born in 1170.

 Guigues-Meschin De Chateauneuf
Guigues-Meschin was born in 1175.  He died at the age of 67 in 1242.