Louise of Savoy
Her maternal grandparents were Charles, Count of Angoulême and his mistress Antoinette de Polignac, Dame de Combronde, who was a lady-in-waiting to the Count of Angoulême's wife, Louise of Savoy. Antoinette (born c.1460) was the daughter of Foucaud de Polignac, Seigneur des Fontaines and Agnès de Chabanais.