Odon Piast of Poznań, Duke of Greater Poland, Duke of Poznań, Duke of Kalisz, was born circa 1149 to Mieszko III the Old of Poland (c1126-1202) and Elisabeth of Hungary (c1129-bef1155) and died 20 April 1194 of unspecified causes. He married Vyacheslava Yaroslavna of Halych (c1157-c1202) 1184 JL . Charlemagne (747-814), Alfred the Great (849-899)/s, Charlemagne (747-814)/s.
|Władysław Odonic of Poznań (c1190-1239)||1190||5 June 1239||Hedwig Unknown (-1249)|
|Ryksa of Poznań (c1191-1238)|
|Euphrosyne of Poznań (c1193-1235)||1193||23 August 1235||Swantopolk II. von Pommerellen (c1200-1266)|