Mieszko I Tanglefoot Piast of Poland, Duke of Silesia, Duke of Racibórz, Duke of Opole, Duke of Kraków, High Duke of Poland, was born circa 1130 to Władysław II the Exile of Poland (1105-1159) and Agnes von Babenberg (c1108-1163) and died 16 May 1211 of unspecified causes. He married Ludmilla Unknown (?-aft1210) 1178 JL . Charlemagne (747-814), Alfred the Great (849-899)/s, Charlemagne (747-814)/s, Rollo of Normandy (860-932)/s.
|Offspring of Mieszko I Tanglefoot and Ludmilla Unknown (?-aft1210)|
|Casimir I of Opole (c1179-1230)||1179||13 May 1230||Viola Unknown (?-1251)|
|Ludmilla of Poland (?-aft1200)|
|Agnes of Poland (?-aft1200)|
|Euphrosyne of Poland (?-aft1200)|
|Ryksa of Poland (?-1239)|