charles served on the royal council of dauphin charles and in 1427 joined with richemont and yolande of aragon in removing the dauphin's unpopular favourite pierre de giac. de giac was soon afterwards executed by drowning. he took part in the campaigns of joan of arc, and was named lieutenant of the province of berry. he was confirmed in possession of the county of dreux in 1441 by king charles vii.