Countess Palatine Maria Anna of Zweibrücken-Birkenfeld-Bischweiler was Countess Palatine of Birkenfeld-Gelnhausen and Duchess in Bavaria, through her marriage to Duke Wilhelm in Bavaria. Maria Anna was a great-grandmother of Empress Elisabeth of Austria through her son Duke Pius August in Bavaria.
- Occupation
- aristocrat
- Citizenship
- Kingdom of Bavaria
- Born
- July 18, 1753
- Died
- February 4, 1824
