deaths
Casimir II the Just, Polish son of Bolesław III Wrymouth (born 1138)
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Casimir II the Just
High Duke of Poland
Casimir II the Just was a Lesser Polish Duke of Wiślica from 1166 to 1173, and of Sandomierz after 1173. He became ruler over the Polish Seniorate Province at Kraków and thereby High Duke of Poland in 1177; a position he held until his death, though interrupted once by his elder…Source: Wikipedia (CC BY-SA)
Bolesław III Wrymouth
Duke of Poland from 1107 to 1138
Bolesław III Wrymouth, also known as Boleslaus the Wry-mouthed, was the duke of Lesser Poland, Silesia and Sandomierz between 1102 and 1107 and over the whole of Poland between 1107 and 1138. He was the only child of Duke Władysław I Herman and his first wife, Judith of Bohemia.Source: Wikipedia (CC BY-SA)