Background
Frédéric Maurice Casimir was born to Emmanuel Théodose de La Tour d'Auvergne (1668–1730) and his first wife Marie Armande Victoire de La Trémouille.
Frédéric Maurice Casimir was born to Emmanuel Théodose de La Tour d'Auvergne (1668–1730) and his first wife Marie Armande Victoire de La Trémouille.
He died aged 20. He was the short lived son in law of James Louis Sobieski. His father was the ruler of the Duchy of Bouillon, a small principality in present day Belgium. From 1705, he was his father's heir apparent.
Engaged to Maria Karolina Sobieska, daughter of James Louis Sobieski, sister of Clementina Sobieski and grand daughter of John III Sobieski, the young prince had a proxy marriage on 25 August 1723 at Neuss, Silesia. Having been married in person in Strassburg on 20 September, he died whilst travelling back. Titles and styles
24 October 1702 – 9 January 1705 His Highness the Prince of Bouillon
9 January 1705 – 1 October 1723 His Highness the Prince of Turenne.