 When Amadeus IX became head of the House of Savoy in 1465, he gave his brother Jacques as an appanage the region of Vaud with the title of Count of Romont, Lord of Vaud and the towns of Murten, Avenches, Payerne, Romont, Moudon, Rue and Yverdon.Amadeus suffered from epilepsy and let his wife, Yolande of Valois, and his brother, the Count of Bresse govern for him.He died in 1472 and was succeeded by his son Philibert, who was only 6 years old.