She married 4 November 1726 to Jacques de la Font of John , Marquis of St. Project , Vicomte de Lavedan , Bailiff and Seneschal of Upper Auvergne .
After family arrangements , Beauvais passes Catherine 's niece Cars , Gabrielle des Cars , sister of Thomas .
Catherine married 4 November 1726 to Jacques de la Font of John , Marquis of St. Project , Vicomte de Lavedan , Bailiff and Seneschal of Upper Auvergne .
After family arrangements , Beauvais passes Catherine 's niece Cars , Gabrielle des Cars , sister of Thomas .