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.
Bolesław I the Brave Mieszko II) that gave the King his widely known nickname of "Brave" (Polish: "Chrobry") -later Gallus Anonymus in the Chapter 6 of his "Gesta principum Polonorum" named the Polish ruler as "Bolezlavus qui dicebatur Gloriosus seu Chrabri". The contemporaneous Thietmar of Merseburg recorded Bolesław's marriages, also mentioning his children. Bolesław's first wife was an unnamed daughter of Rikdag, Margrave of Meissen. Historian Manteuffel says that the marriage was arranged in the early 980s by Mieszko I who wanted to strengthen his links with the Saxon lords and to enable his son to succeed Rikdag in Meissen. Bolesław "later sent her