Quem se casou com Žofie Amálie Falcko Zweibrückenská?

John Charles, Count Palatine of Birkenfeld at Gelnhausen (17 October 1638 – 21 February 1704), was a German prince and ancestor of the cadet branch of the royal family of Bavaria known, from the early 19th century, as Dukes in Bavaria. He took Gelnhausen as the name of his branch of the family after acquiring that estate in 1669.