been so renowned under John William's father, William the Rich. Philip Louis' grandson Philip William became Elector Palatine in 1685, with the Bergish capital becoming the seat of the Electorate of the Palatinate, until the line inherited Bavaria in 1777. In 1701, the Margrave-Electors of Brandenburg became Kings in Prussia; with Cleves-Mark as their first possession in western Germany, it was the seed of the future Prussian Rhineland. Dukes of Jülich-Cleves-Berg, House of La Marck 1521–1539: John III, Duke of Cleves 1539–1592: William the Rich 1592–1609: John William See also Province of Jülich-Cleves-Berg References External links Archive.org: Online map of the United Duchies of Jülich-Cleves-Berg in 1635 Duchies of the Holy Roman Empire Lower Rhenish-Westphalian Circle Duchy of Cleves Duchy of Jülich House of Berg Early Modern history of Germany Early Modern Netherlands Former states and territories of North Rhine-Westphalia History of Düsseldorf History of Gelderland History of the Rhineland Real unions States and territories established in 1521 States and territories disestablished in 1614 1521 establishments in the Holy Roman Empire 1610s disestablishments in the Holy Roman Empire Former duchies