sentences:  The Burgundians handed her over to their English allies.Tried for heresy by a court composed of pro-English clergy such as Pierre Cauchon, who had long served the English occupation government, she was burned at the stake on 30 May 1431.Nearly as important as Joan of Arc in the cause of Charles was the support of the powerful and wealthy family of his wife Marie d'Anjou, particularly his mother-in-law, Queen Yolande of Aragon.