His younger brother was the diplomat, Emmanuel Henri Victurnien de Noailles, Marquis de Noailles, the French envoy to the United States and the French ambassador to Italy, the Ottoman Empire, and Germany.
[1] His paternal grandparents were Jules de Noailles, Marquis de Noailles (a son of Emmanuel Marie de Noailles, Marquis of Noailles), and Pauline Laurette Le Couteulx du Molay (a daughter of Jacques Jean Le Couteulx, Seigneur du Molay).
[1] Upon his father's death in 1885,[2] he succeeded to the title of Duke of Noailles.
[1] Together, they were the parents of: The Duke died in Paris on 6 March 1895.
[4] He was succeeded by his son, Adrien de Noailles.