Frederick IV, called the Fighter, was the Duke of Lorraine from 1312 to his death. Wikipedia
Born: April 15, 1282
Died: August 23, 1328 (age 46 years), Paris, France
Great-grandparents: Matthias II, Duke of Lorraine, Theobald I of Navarre, Margaret of Bourbon, Queen of Navarre, and more
Grandchildren: John I, Duke of Lorraine and Jeanne de Châlons
Children: Rudolph, Duke of Lorraine
Parents: Theobald II, Duke of Lorraine and Isabella of Rumigny
Great grandchildren: Charles II, Duke of Lorraine, Frederick I, Count of Vaudémont, Urbain de la Chambre, Vicomte de Maurienne, and more