"Magdalene Sibylle of Prussia (31 December 1586 – 12 February 1659) was an Electress of Saxony as the spouse of John George I, Elector of Saxony." - (en.wikipedia.org 07.06.2020)
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(The left column lists the relations of this actor to objects in the right column. In the middle you find other actors in relation to the same objects.)