Bolesław III Wrymouth

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.