John Parricida, or John the Parricide or Johann Parricida, also called John of Swabi (born ca. 1290, died December 13, 1312 or 1313, probably in Pisa) was a son of Duke Rudolph II of Austria from the Habsburg family and Agnes, daughter of Ottakar II, King of Bohemia. Consequently, he was a grandson of the German King Rudolph I. John passed his early days at the Bohemian court. Wikipedia
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