On 23 September 1641, Louis Charles married Louise Marie Séguier, Marquise of O (1629–1651), a relative of
Chancellor Pierre Séguier. Together, they were the parents of six children: • Hercule Louis d'Albert (1644–1645), who died young. • Françoise Paule Charlotte d'Albert (1662–1670), who died young. • Marie Charlotte Victoire d'Albert (1667–1701), who married Alexandre Albert François Bathélemy,
4th Duke and 2nd Prince of Bournonville. • Catherine Angélique d'Albert (1668–1746), who married Charles Antoine II Gouffier, Marquis of Heilly. •
Jeanne Baptiste d'Albert de Luynes, comtesse de Verrue (1670–1736), who married Giuseppe Ignazio Scaglia, Conte di Verua; today she is best known as the mistress of
King Victor Amadeus II of Sardinia. •
Louis-Joseph d'Albert de Luynes, 3rd Prince of Grimberghen (1672–1758), who married Magdeleine Marie de Berghes. • Charles-Hercule d'Albert de Luynes, (1674–1734), served in the Navy as
Chef d'escadre. No issue. After Anne's death in 1684, he married, thirdly, to Marguerite d'Aligre (1641–1722) on 23 July 1685. She was a daughter of
Étienne II d'Aligre,
Chancellor of France. The Duke died on 10 October 1690 in Paris. After his death, his body was transported and buried in the church of the Luynes hospital that he had founded. His widow died on 26 September 1722. ==References==