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 the Younger point, Mieszko III decided to give the district of Kalisz to his youngest son and namesake, as his own Duchy. Mieszko the Younger died on 2 August 1193. He was buried in the crypt founded by his father in the Cathedral of St. Paul the Apostle in Kalisz. Tombstones of Mieszko the Younger and Mieszko III were found during archaeological excavations during 1958–1960. For unknown reasons, Mieszko never married or had children. On his death, Mieszko III give Kalisz to his eldest son Odon. Mieszko the Younger Mieszko the Younger (also known as of Kalisz) () (between 1160 and 1165