Leopold, Duke of Lorraine

Léopold, I Duke of Lorraine (11 September 1679 – 27 March 1729) nicknamed "the Good", was the ruling Duke of Lorraine and Bar from 1690 to his death. He was named in honour of his uncle Holy Roman Emperor Leopold I. He was also responsible for the creation of the Château de Lunéville which was used as the ducal residence during his lifetime. 
The eldest son of Eleanor of Austria and Charles V of Lorraine, He was from a long established House of Lorraine which had ruled over the small sovereign Duchy of Lorraine since 1473. 
Life as duke.
He was in exile and Lorraine was occupied by France until 30 October 1697, when it was returned to Leopold; it was again occupied by France from 1702 to 1714, although the duke remained in place. Following Leopold's death, his wife would act as regenbt for their son Francis until he gained his majority. 
Marriage.
Leopold married Élisabeth Charlotte d'Orléans, a niece of Louis XIV of France. The match was designed to improve relations between Lorraine and its larger and more powerful neighbour. (Lorraine having been for many years in the possession of France) 
Leopold and Élisabeth Charlotte was finally married on 13 October 1698 at the Palace of Fontainebleau, Élisabeth Charlotte was given a large dowry. The couple eventually had 14 children in total, even though Leopold would often see his mistress the wife of Marc de Beauvau known as the "Princess of Craon". 
Later life.
Having worked hard to restore the duchy throughout his reign as a result of it being destroyed by the various wars throughout Leopold's life. 
In March 1729, Leopold caught a fever while walking at the Château at Ménil near Lunéville. He returned to Lunéville where he died on 27 March, aged 49.