Marguerite du Cambout was born in 1624.Her parents were Charles du Cambout, Marquis of Coislin () and Philippe de Beurges,
dame de Seury. Her father was Marquis of Coislin,
Pontchâteau and
la Roche-Bernard, governor of the town and fortresses of
Brest and lieutenant general of lower
Brittany. He was from the old nobility of Brittany. Through her father she was the grand-niece of
Cardinal Richelieu. In 1634 she was married to
Antoine de l'Age (1605–35), Duke of Aiguilon, also called Duke of Pui-Laurent. In February 1639 she married Henri de Lorraine (1601–66), Count of Harcourt,
Grand Squire of France. The same year her sister Gabrielle Marie married
Bernard de Nogaret de La Valette d'Épernon. Her first husband, Antoine de l'Age, was involved in political intrigues, and was imprisoned first in the Louvre in 1635, then in Vincennes, where he died the same year. In February 1639, she remarried to
Henri de Lorraine, with whom she had six children. Marguerite du Cambout died of
apoplexy in Paris on 9 December 1674 at the age of 50. She was buried in the
Église des Capucines on the Rue Saint-Honoré, Paris. == Presumed Portrait ==