Mieszko I | |
|---|---|
 Mieszko I's seal, dated to 1288. | |
| Born | 1252/56 |
| Died | 27 June 1315 |
| Noble family | Silesian Piasts of Opole |
| Spouse(s) | ?Grzymisława Vsevolodovna of Belz |
| Issue | Władysław Casimir I Viola Elisabeth of Cieszyn |
| Father | Władysław Opolski |
| Mother | Euphemia of Greater Poland |
Mieszko I of Cieszyn (Polish: Mieszko cieszyński, Czech: Měšek I. Těšínský, German: Mesko I (Teschen); 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.