[2][3][4] Before 1216, William's father, Guy II, attempted to arrange his son's marriage to a daughter of Count Guigues III of Forez, but the plans came to naught.
The Chronicle of Tours records that he signed a truce with Louis VIII of France (1223–1226) when the latter traversed Auvergne on his way south to join the war against the Cathars.
[6] A definitive peace with the French crown was only made under Louis IX in 1230, leaving William with a rump county with its seat at Vic-le-Comte.
[2] William is the presumed patron who commissioned the Chroniques de la Bible from Moses ben Abraham.
[1][10][11] According to Moses, who was writing in 1244,[12] "my lord the Count William of Auvergne who wishes to possess and know the origins and the lineages of the beginning of the world, and wants to know the battles which have been fought in the past [ ] orders them written in this book.