Kata Kunci Pencarian:
- Daftar penguasa monarki menurut lama kekuasaan
- Charles I, Count Palatine of Zweibrücken-Birkenfeld
- Christian II, Count Palatine of Zweibrücken-Birkenfeld
- George William, Count Palatine of Zweibrücken-Birkenfeld
- Wolfgang, Count Palatine of Zweibrücken
- Charles II Otto, Count Palatine of Zweibrücken-Birkenfeld
- Christian I, Count Palatine of Birkenfeld-Bischweiler
- Christian III, Count Palatine of Zweibrücken
- Frederick Michael, Count Palatine of Zweibrücken
- Maximilian I Joseph of Bavaria
- Palatine Zweibrücken
