"Gian Galeazzo Sforza (20 June 1469 – 21 October 1494), also known as Giovan Galeazzo Sforza, was the sixth Duke of Milan." - (en.wikipedia.org 17.11.2019)
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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.)