 Complete the following phrase:  Charles-Grégoire was born and baptised at Cherbonnières, roughly 19 km 13 miles to the east of Saint-Jean-dAngély, between Poitiers and Bordeaux in rural western France. He was a younger son of Henri-Charles de Beauchamps 1701-1777, lord of the manor at Cherbonnières. His mother, Madeleine-Dorothée de Lescours, was probably also of aristocratic provece. He embarked on his military career late in 1757 when he took part in the disastrous for France 