Louis Antoine de Gontaut, 6th Duke of Biron
Duke of Lauzun
Louis Antoine de Gontaut, 6th Duke of Biron was Duke of Biron and a French military leader who served with distinction under Louis XV, and was made a Marshal of France in 1757.
He was the fourth son of Charles-Armand de Gontaut, duc Biron, and... Wikipedia
Born: February 2, 1701
Died: October 19, 1788 (age 87 years), Paris, France
Great-grandparents: Guyonne de Ruellan, Gabriel-Nompar II de Caumont, Comte de Lauzun, François de Cossé, Duke of Brissac, and more