As a member of the House of Rohan she enjoyed the prestigious rank of a Foreign Princess given to her family in the early 17th century due to them claiming ancestry back to the Dukes of Brittany.

In 1735, her grand mother Charlotte de La Mothe-Houdancourt[1] retired from her post as Governess of the Children of France.

Madame de Tallard was a lady in waiting to Princess Henriette of France, daughter of Louis XV and his consort Marie Leszczyńska.

[3][4] She died over the night of 4–5 January 1754 at the Palace of Versailles and named her cousin Charles, Prince of Rochefort as her heir.

[4] She was buried on 7 January 1754 at the Église de La Merci in Paris,[5] the traditional burial place of the Soubise line of the House of Rohan.