Around 1680 he established himself in the Lustschloss Friedrichswerth, near the village of Erffa, approximately 20 km of Gotha, which was renamed in his honour Friedrichswerth.
În jurul anului 1680 el s-a stabilit la Friedrichswerth Lustschloss, în apropiere de Erffa, la aproximativ 20 km de Gotha, care a fost redenumit în onoarea lui, Friedrichswerth.