Casimir I (1015-1058)
Casimir I, the Restorer (1015-1058), duke of Poland, was the son of Mieszko II of Poland and Rixa von Lothringen. Casimir married Dobronega (Maria) of Kiev and they had two children : Boleslaus II, King of Poland and Ladislaus Herman, duke of Poland.

Preceded by:
Mieszko II of Poland
List of Polish rulers Succeeded by:
Boleslaus II