duc de Louis de Rouvroy Saint-Simon, Memoirs of Louis XIV and His Court and of the Regency…
“ The father of M. de Lauzun was the Comte de Lauzun, cousin-german of the first Marechal Duc de Grammont, and of the old Comte de Grammont.M. de Lauzun was a little fair man, of good figure, with a noble and expressively commanding face, but which was without charm, as I have heard people say who knew him when he was young. He was full of ambition, of caprice, of fancies; jealous of all; wishing always to go too far; never content with anything; had no reading, a mind in no way cultivated, and without charm; naturally sorrowful, fond of solitude, uncivilised ”
