His elder sister, Laure, married Joseph Philippe Léopold Vogt, Viscount of Hunolstein.

His younger siblings were Frédéric Jacques, who died accidentally while attending the École navale; Élisabeth Olive Emmanuelle, who married the Marquis Louis Marie Hector de Galard de Béarn; and Mathilde, who died unmarried.

But he was elected representative to the National Assembly in this same constituency on 8 February 1871, and took his place on the extreme right, registering with the Réunion Colbert and the Cercle des Réservoirs.

[2] On 5 December 1866, he lost an eye during a hunting accident, when he was accidentally shot by his brother-in-law, Viscount of Hunolstein.

[4] Together, they had four children:[1][5][6] The Duke died in Paris on 28 November 1878 and was succeeded by his eldest son, Jacques.