Overview
Marie Louise de Rohan (Marie Louise Geneviève; 7 January 1720 – 4 March 1803), also known as Madame de Marsan, was the governess of Louis XVI of France and his siblings. She was an influential figure of the French court and a driving force of the Dévots and the conservative fraction of the court nobility.
Biography
Marie Louise was the only daughter of Jules de Rohan, Prince of Soubise and his wife, Anne Julie de Melun. She was the sister of Charles, Prince of Soubise and François Armand Auguste de Rohan.
After her parents died of smallpox in 1724 in Paris, she and her brothers lived at Versailles with their uncle, Hercule Mériadec de Rohan, Prince of Guéméné. Her eldest brother Charles was the same age as Louis XV and became Louis' great companion.
On 4 June 1736, Marie Louise married Prince Gaston Jean Baptiste de Lorraine, Count of Marsan and Walhaim, (1721–1743). The nuptials were carried out in the chapel of the hôtel de Mayenne by her great uncle the Cardinal de Soubise.
From Wikipedia (CC BY-SA 4.0).