Frederick Louis Count Palatine of Zweibrücken

male, deceased (1681)
Frederick Louis, House of Palatinate-Zweibrücken, Duke of Zweibrücken, Palatinate-Landsberg, Duke of Landsberg
Frederick Louis (27 October 1619 - 11 April 1681) was the Duke of Landsberg from 1645 until 1681, and the Duke of Zweibrücken from 1661 until 1681.

Frederick Casimir Count Palatine of Zweibrücken

male, deceased (1645)
House of Palatinate-Zweibrücken, Palatinate-Landsberg, Duke of Landsberg, Frederick Casimir
Frederick Casimir (10 June 1585 - 30 September 1645) was the Duke of Landsberg from 1604 until 1645.