Mieszko Mieszkowic After Mieszko I's death (25 May 992), a war began between Bolesław I and his half-brothers. There is disagreement among historians as to the course of the conflict; the struggle may have lasted only a few weeks or may have only finished in 995. In the end, Bolesław I took control over all the territories of his father and expelled his stepmother and half-brothers from Poland to Germany. Mieszko's further fate is unknown, but in 1032 a certain Dytryk (son of either Mieszko or his brother Lambert) returned to Poland and took control over part of the country after the
Mieszko I, Duke of Cieszyn shelter to the Bishop in Raciborz. His politics against Henry IV were reinforced when the Duke of Wrocław repudiated his wife Constance —sister of Mieszko— and sent her back to her homeland. Another consequence of Mieszko's politics was an armed expedition of Henry IV in 1287 against Racibórz, who was sieged. Then Mieszko was forced to refuse his help to the Bishop. In 1290 the division was made of the Duchy of Racibórz: Przemysław retained Racibórz and Mieszko obtained the rule over the districts of Cieszyn, Oświęcim and Zator. The first time that he signed himself as Duke of Cieszyn