Duchy of La Vallière

The Duchy of La Vallière (duché de La Vallière) was a noble French title created on 13 May 1667 by Louis XIV for his one time mistress Louise Françoise de La Baume Le Blanc. It became extinct de facto in 1780 at the death of Louise's great-nephew Louis César de La Baume Le Blanc, the famous bibliophile and military man.

Duchy of La Vallière

The Duchy of La Vallière (duché de La Vallière) was a noble French title created on 13 May 1667 by Louis XIV for his one time mistress Louise Françoise de La Baume Le Blanc. It became extinct de facto in 1780 at the death of Louise's great-nephew Louis César de La Baume Le Blanc, the famous bibliophile and military man.