"Johann George III (20 June 1647 – 12 September 1691) was Elector of Saxony from 1680 to 1691. He belonged to the Albertine line of the House of Wettin." - (en.wikipedia.org 31.01.2020)
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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.)