Desiree de Clerambault 
Her married name became de Gontaut-Biron.
Children of Desiree de Clerambault and Armand de Gontaut-Biron
- Johan de Gontaut-Biron, Marquis de Saint Blancard+ b. 23 Feb 1865, d. 9 Mar 1937
- Ferdinand de Gontaut-Biron+ b. 11 Nov 1868, d. 6 Dec 1898
Johan de Gontaut-Biron, Marquis de Saint Blancard 
He gained the title of Marquis de Saint Blancard.
Children of Johan de Gontaut-Biron, Marquis de Saint Blancard and Elisabeth Ferron de la Ferronays
- Arnaud de Gontaut-Biron, Marquis de Saint Blancard+ b. 17 Aug 1887
- Viane de Gontaut-Biron+ b. 31 Jul 1891
- Armand de Gontaut-Biron, Marquis de Saint Blancard b. 17 Apr 1893, d. 30 Nov 1970
- Vital de Gontaut-Biron+ b. 4 Nov 1904, d. 25 Mar 1928
Elisabeth Ferron de la Ferronays 
Her married name became de Gontaut-Biron.
Children of Elisabeth Ferron de la Ferronays and Johan de Gontaut-Biron, Marquis de Saint Blancard
- Arnaud de Gontaut-Biron, Marquis de Saint Blancard+ b. 17 Aug 1887
- Viane de Gontaut-Biron+ b. 31 Jul 1891
- Armand de Gontaut-Biron, Marquis de Saint Blancard b. 17 Apr 1893, d. 30 Nov 1970
- Vital de Gontaut-Biron+ b. 4 Nov 1904, d. 25 Mar 1928
Armand de Gontaut-Biron, Marquis de Saint Blancard 
He gained the title of Marquis de Saint Blancard.
Olga Cousino
Her married name became de Gontaut-Biron.
Anne de la Rochefoucauld
Her married name became de Gontaut-Biron.
Arnaud de Gontaut-Biron, Marquis de Saint Blancard 
He gained the title of Marquis de Saint Blancard.
Children of Arnaud de Gontaut-Biron, Marquis de Saint Blancard and Anne de la Ferte Meun
- Marie-Antoinette de Gontaut-Biron+ b. 28 Jun 1925
- Francois de Gontaut-Biron+ b. 1 Jul 1927
Anne de la Ferte Meun
Her married name became de Gontaut-Biron.
Children of Anne de la Ferte Meun and Arnaud de Gontaut-Biron, Marquis de Saint Blancard
- Marie-Antoinette de Gontaut-Biron+ b. 28 Jun 1925
- Francois de Gontaut-Biron+ b. 1 Jul 1927
Francois de Gontaut-Biron
Child of Francois de Gontaut-Biron and Huguette de Pontac
- Anne-Charles de Gontaut-Biron b. 16 Feb 1963
Huguette de Pontac
Her married name became de Gontaut-Biron.
Child of Huguette de Pontac and Francois de Gontaut-Biron
- Anne-Charles de Gontaut-Biron b. 16 Feb 1963
