"John Ernst of Nassau-Weilburg (Weilburg, 13 June 1664 – Heidelberg, 27 February 1719) was an Imperial Generalfeldmarschall, from 1675 to 1688 Count and from 1688 till ...
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his death Prince (Fürst) of Nassau-Weilburg." - (en.wikipedia.org 24.09.2022)
