Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Odon of Pozna also known as of Greater Poland and Mieszkowic (Polish: Odon pozna ski (wielkopolski, Mieszkowic); b. ca. 1149 - d. 20 April 1194), was a Duke of Greater Poland and Pozna during 1177/79-1182, and Duke of Kalisz during 1193-1194. He was the eldest son of Mieszko III the Old, Duke of Greater Poland and since 1173 High Duke of Poland, by his first wife Elisabeth, daughter of King Béla II of Hungary.