Christian IV (6 September 1722 - 5 September 1775) was the Duke of Birkenfeld-Zweibrücken from 1735 until 1775, and Count of Rappolstein from 1735 until 1746.
Christian IV (6 September 1722 - 5 September 1775) was the Duke of Birkenfeld-Zweibrücken from 1735 until 1775, and Count of Rappolstein from 1735 until 1746.
Christian IV (6 September 1722 - 5 September 1775) was the Duke of Birkenfeld-Zweibrücken from 1735 until 1775, and Count of Rappolstein from 1735 until 1746.