Emmanuel de Mandat-Grancey
Segolene de Mandat-Grancey
Nathalie de Mandat-Grancey
Marie-Alexandra de Mandat-Grancey
Maurice de Mandat-Grancey

He fought in the Second World War.
Child of Maurice de Mandat-Grancey and Anne Marie Francoise de Peyrecave de Lamarque
- Jacques Amedee Marie Galiot de Mandat-Grancey b. 20 Feb 1940
Anne Marie Francoise de Peyrecave de Lamarque 
Her married name became de Mandat-Grancey.
Child of Anne Marie Francoise de Peyrecave de Lamarque and Maurice de Mandat-Grancey
- Jacques Amedee Marie Galiot de Mandat-Grancey b. 20 Feb 1940
Jacques Amedee Marie Galiot de Mandat-Grancey
Catherine Campaigne
Her married name became de Mandat-Grancey.
Raoul de Mandat-Grancey
Pierre de Mandat-Grancey
Child of Pierre de Mandat-Grancey and Francoise de Seguins Cohorne de Vassieux
- Andree de Mandat-Grancey+ b. 19 Oct 1941