Born 13 February 1692, Louis was the son of Prince Henri de Lorraine, Count of Brionne and his wife, Marie Madeleine d'Epinay (1665-1714).
[1] He had a younger sister, Marie Louise (1693–1724) who died unmarried.
As an infant, he was immortalised by the artist François de Troy who painted him with his mother in c. 1697.
He fought alongside his uncle the Count of Armagnac at the Battle of Malplaquet in 1709 and was captured by Prince Eugene of Savoy.
He was later created the Governor of Anjou in 1712 and in 1719, he was made a Brigadier of the King's armies.