John III, Duke of Cleves

John III
Duke of Cleves Count of Mark
John depicted in Johann III with the Virgin and Child
Born	(1490-11-10)10 November 1490 Deggendorf, Germany
Died	6 February 1539 (aged 48)
Noble family	La Marck
Spouse	Maria of Jülich-Berg ​ ​ (m. 1509)​
Issue Detail	Sibylle, Electress of Saxony Anne, Queen of England William, Duke of Jülich-Cleves-Berg Amalia, Princess of La Marck
Father	John II, Duke of Cleves
Mother	Mathilde of Hesse

John III, Duke of Cleves and Count of Mark (German: Johann III der Friedfertige; 10 November 1490 – 6 February 1539), known as John the Peaceful, was the Lord of Ravensberg, Count of Mark, and founder of the United Duchies of Jülich-Cleves-Berg.