Fritz Paul Heinrich Otto Klingenberg was a son of dairy owner and was born in Rövershagen in Mecklenburg on 17 December 1912.
Rövershagen – Graal – Müritz (direct route along the Pörstenschneise)
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The 10.3 kilometre long, standard gauge line from Rövershagen to Graal-Müritz was officially opened on 1 July 1925.