Guillame III was born about 1160. Guillame III's father was ? De Sillé-Le-Guillaume and his mother was ? De Sablé. His maternal grandfather was Bernard De Sablé. He was an only child. He died about 1200.
General Notes
#Générale# Seigneur de Sillé-le-Guillaume (72) de 1164 à 1200 H&G 1999 - n° 150 page 98