In 1755 he inherited from his elder brother, Louis Auguste de Bourbon (170o-1755), prince de Dombes, great estates, part of which he sold to the king.
The saint's nephew and successor, Charles Auguste de Sales, brought out a more extended life, Latin and French, in 1635.
The lives of Giarda (1650), Maupas du Tour (1657) and Cotolendi (1687) add little to Charles Auguste.
A small pamphlet containing his Souvenirs 1848-1850 was published in 1901 by his brother Antoine Leon Philibert Auguste de Gramont, duc de Lesparre.
Auguste Marie Raymond, prince d'Arenberg, known as the Comte de la Marck, was a Flemish nobleman who had been proprietary colonel of a German regiment in the service of France; he was a close friend of the queen, and had been elected a member of the states-general.
