 She was engaged to Godefroy de La Tour d'Auvergne, only son and heir of Charles Godefroy de La Tour d'Auvergne and his Polish born wife Maria Karolina Sobieska.The couple were married on 27 November 1743.Her husband, as heir to the Duchy of Bouillon, was styled "prince de Turenne"; as such, Louise became the Princess of Turenne.