Louis I, Count of Sayn Wittgenstein

Louis I, Count of SaynWittgenstein, nicknamed the Elder, formally Louis I of Sayn, Count at Wittgenstein ruled the County of Wittgenstein, on the upper reaches of the rivers Lahn and Eder, from 1558 until his death. He converted his county to Calvinism and was an influential politician in the service to the Electoral Palatinate.

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Source: Wikipedia