Parents
- Théobald de Choiseul-Praslin (1805 - 1847), duc de Praslin, pair de France, député de Seine-et-Marne (conservateur)
- Fanny Sébastiani della Porta (1807 - 1847)
Family
- Married on December 17, 1874 in Geneva, with Marie Forbes (1850 - 1932), issuing
Gaston (1876 - 1937)
Marie Létizia (1878 - 1915)- Gabriel (1879 - 1966)
- Marie Marthe Nicolette (1881 - 1957)
- Marie Charles Arnaud Raynard Gilbert (1882 - 1926)
- Claude (1883 - 1938)
- Hugues (1885 - 1971)
- Marie Élisabeth Françoise Pauline (1887 - )