"Charles I of Zweibrücken-Birkenfeld (German: Karl I.; 4 September 1560 – 16 December 1600), Count Palatine of the Rhine, Duke in Bavaria, Count to Veldenz and Sponheim was the Duke of Zweibrücken-Birkenfeld from 1569 until 1600." - (en.wikipedia.org 31.10.2019)
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