

Pfalzgraf und Herzog von Zweibrücken-Birkenfeld zu Gelnhausen
Johann (* 24. May 1698; † 10. February 1780) was a pfalzgraf und Herzog von Zweibrücken-Birkenfeld zu Gelnhausen. He was 81 years old. He was married to Sophie Charlotte von Salm-Dhaun. He had at least 3 children (2 sons and 1 daughter).