Bertrand Nompar de Caumont, marquis de La Force (1 August 1724 – 22 January 1773) was a French nobleman, the son of Jean François de Caumont (1694 – 1755) and Jeanne de Maury (died 1770).^[1] He was a knight, and held the titles of seigneur de Beauvilla then marquis de La Force, Caumont and Taillebourg, comte de Mussidan and baron de Castelnau-Les-Milandes. In the royal household he was appointed as Garde du Corps du Roi and Gentilhomme de la Chambre.^[2]

Marriage and issue

He married 5 June 1757 Adélaïde Luce de Galard de Brassac, (1739 – 1829), granddaughter of Armand-Nompar II de Caumont, duc de la Force. The couple had four sons and eight daughters:^[2][3]

• Anne Jacobe, (19 August 1758 – ), married François Marie Armand, marquis Piovera
• Jacques Armand, marquis de La Force, (1759–1762)
• Catherine, (c. 1760 – ), married Gilbert de Gironde Comte de Pille
• Alexandre Nompar,(1764 – 1765)
• Renée Philiberte, (c. 1765 – )
• Anne Philiberte, (1766 – 1777)
• Louis Joseph Nompar, married 11 May 1784, Sophie Pauline d'Ossun (1772 – )
• François Pierre Bertrand, (29 November 1772 – 28 March 1854), comte then marquis de Caumont La force
• Josephine Louise, married in 1779, comte de Béthune
• Marie, married 8 March 1781, Anne Louis François, Marquis de Lordat, comte de Bram
• Catherine, married 1 August 1784, Hippolyte César de Moretoul
• Louise Josephine, (1769 – ), married Marc Antoine Alexandre Dieudonné Edmond, comte de Mesnard

He died 22 January 1773 in Versailles. His widow, Adelaide de Galard, died in October 1829^[2][3]