Mieszko Mieszkowic Mieszko Mieszkowic Mieszko Mieszkowic (979/984 – aft. 992/95), was a Polish prince, and a member of the House of Piast. He was the second son of Mieszko I of Poland, but eldest born from Mieszko's second marriage to Oda, daughter of Dietrich of Haldensleben, Margrave of the North March. Little is known about his first years of life. Mieszko's first appearance is in the document ""Dagome iudex"" (ca. 991/92), along with his parents and brother Lambert. The purpose of the document was to protect Mieszko's and Lambert's inheritance from their older half-brother Bolesław I the Brave, who isn't named there.
Mieszko I of Poland situation at that time. Another debatable point is Thietmar's claim that Mieszko "subordinated himself to the King". Most historians believe that it was only a matter of recognition of Otto's royal authority. Some suggest that a fealty relationship could in fact be involved. Whether or not the German-Polish invasion of Bohemia actually happened, the friendly relations between the Czechs and the Poles came to an end. Bohemia resumed its earlier alliance with the Lutici, which caused in 990 a war with Mieszko, who was supported by Empress Theophanu. Duke Boleslav II was probably the first one to attack. As a