Mieszko I, Duke of Cieszyn and 1280. They had three children: Mieszko I, Duke of Cieszyn Mieszko I of Cieszyn (, , ; also known as Mieszko I of Opole; 1252/56 – by 27 June 1315), was a Duke of Racibórz during 1282–1290 (with his brother as co-ruler) and the first Duke of Cieszyn since 1290 until his death. He was the oldest son of Władysław, Duke of Opole-Racibórz, by his wife Euphemia, daughter of Władysław Odonic, Duke of Greater Poland. Little is known about the early years of Mieszko I's life. His first documented mention was on 21 October 1258, when he appears together
Mieszko II Lambert talented ruler. Since Mieszko II was politically active before his father's death, Bolesław I appointed him as his successor. He participated mainly in German politics, both as a representative of his father and the commander of the Polish troops. In 1013 Mieszko II went to Magdeburg, where he paid homage to the Emperor Henry II. A few months later Bolesław I paid homage in person. The real purpose of Mieszko's visit is unclear, especially since soon after his father paid homage to the Holy Roman Empire. Presumably, the young prince paid homage for Milsko or Moravia and Lusatia. The relevant