Bolesław III Wrymouth

Duke of Poland from 1107 to 1138

Bolesław III Wrymouth (Polish: Bolesław III Krzywousty; 20 August 1086 – 28 October 1138), 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. Bolesław began to rule in the last decade of the 11th century, when the central government in Poland was significantly weakened.

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