William, Duke of Jülich-Cleves-Berg
| William the Rich | |
|---|---|
Portrait c. 1554 | |
| Duke of Jülich-Cleves-Berg | |
| Reign | 6 February 1539 – 5 January 1592 |
| Predecessor | John III |
| Successor | Johann Wilhelm |
| Born | 28 July 1516 Düsseldorf, Duchy of Berg |
| Died | 5 January 1592 (aged 75) Düsseldorf, Duchy of Berg |
| Burial | Collegiate Church of St. Lambertus, Düsseldorf |
| Spouses | |
| Issue | Marie Eleonore, Duchess of Prussia Anna, Countess Palatine of Neuburg Magdalene, Countess Palatine of Zweibrücken Karl Friedrich of Jülich-Cleves-Berg Sibylle, Margravine of Burgau Johann Wilhelm, Duke of Jülich-Cleves-Berg |
| House | La Marck |
| Father | John III, Duke of Cleves |
| Mother | Maria, Duchess of Jülich-Berg |
William of Jülich-Cleves-Berge (William I of Cleves, William V of Jülich-Berg), known as William the Rich (German: Wilhelm der Reiche; 28 July 1516 – 5 January 1592), was a Duke of Jülich-Cleves-Berg (1539–1592).
William was born in and died in Düsseldorf. He was the only son of John III, Duke of Jülich-Cleves-Berg, and Maria, Duchess of Jülich-Berg. William took over rule of his father's estates (the Duchy of Cleves and the County of Mark) upon his death in 1539. Despite his mother having lived until 1543, William also became the Duke of Berg and Jülich and the Count of Ravensberg.