John Casimir, Count Palatine of Zweibrücken-Kleeburg was the son of John I, Count Palatine of Zweibrücken and his wife, Duchess Magdalene of Jülich-Cleves-Berg. Wikipedia
Born: April 20, 1589, Zweibrücken, Germany
Died: June 18, 1652 (age 63 years), Söderköping Municipality, Sweden
Grandchildren: Charles XI of Sweden, Gustav, Duke of Zweibrücken, Adolph John II, Count Palatine of Kleeburg, and more
Grandparents: Wolfgang, Count Palatine of Zweibrücken, Anna of Hesse, William, Duke of Jülich-Cleves-Berg, and more
Spouse: Catherine of Sweden, Countess Palatine of Kleeburg (m. 1615)