"Boleslaus II the Pious (Czech: Boleslav II. Pobožný; c. 930 - 7 February 999), a member of the Přemyslid dynasty, was Duke of Bohemia from 972 until his death" - (en.wikipedia.org 29.12.2019)
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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.)
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