Jacqueline de Mailly-Chalon 
Her married name became de Gontaut-Biron.
Child of Jacqueline de Mailly-Chalon and Stanislas de Gontaut-Biron
- Roger de Gontaut-Biron+ b. 25 Apr 1884, d. 11 Dec 1944
Roger de Gontaut-Biron 
Children of Roger de Gontaut-Biron and Gabrielle de Bourbon
- Elyane de Gontaut-Biron+ b. 28 Mar 1913
- Micheline de Gontaut-Biron+ b. 7 Nov 1917
Gabrielle de Bourbon
Her married name became de Gontaut-Biron.
Children of Gabrielle de Bourbon and Roger de Gontaut-Biron
- Elyane de Gontaut-Biron+ b. 28 Mar 1913
- Micheline de Gontaut-Biron+ b. 7 Nov 1917
Elyane de Gontaut-Biron
Her married name became de Dampierre.
Children of Elyane de Gontaut-Biron and Eric de Dampierre
- Marc-Antoine Marie Yves de Dampierre+ b. 11 Jul 1936
- Guy-Raoul Marie Jacques de Dampierre b. 5 Jan 1938
- Audoin Marie Michel Pierre Armand de Dampierre b. 28 Sep 1945
Eric de Dampierre
Children of Eric de Dampierre and Elyane de Gontaut-Biron
- Marc-Antoine Marie Yves de Dampierre+ b. 11 Jul 1936
- Guy-Raoul Marie Jacques de Dampierre b. 5 Jan 1938
- Audoin Marie Michel Pierre Armand de Dampierre b. 28 Sep 1945
Marc-Antoine Marie Yves de Dampierre
Children of Marc-Antoine Marie Yves de Dampierre and Chantal Eltvedt
- Henri Charles Marie de Dampierre b. 4 Oct 1963
- Hubert Jacques Marie Jean de Dampierre b. 19 Oct 1965
Chantal Eltvedt
Her married name became de Dampierre.
Children of Chantal Eltvedt and Marc-Antoine Marie Yves de Dampierre
- Henri Charles Marie de Dampierre b. 4 Oct 1963
- Hubert Jacques Marie Jean de Dampierre b. 19 Oct 1965
Henri Charles Marie de Dampierre
Hubert Jacques Marie Jean de Dampierre
Guy-Raoul Marie Jacques de Dampierre
