Doubravka of Bohemia at the cost of breaking their marriage and with it the Polish-Bohemian Alliance). In the end, she finally obtained the conversion of Mieszko I and with him, of all Poland. In turn, the 12th century chronicler Gallus Anonymus says that Doubravka came to Poland surrounded by secular and religious dignitaries. She agreed to marry Mieszko I providing that he was baptized. The Polish ruler accepted, and only then was able to marry the Bohemian princess. However, modern historians allege that the baptism of Mieszko I was dictated by political benefits and should not be attributed to any action of Doubravka,
Mieszko Kazimierzowic no mention of Mieszko's influence on Polish politics. Mieszko died on 28 January 1065. Year of death was noted by "Rocznik kapituły krakowskiej", while day by "Necrologium monasterii superioris Ratisbonensis". He died unmarried and childless. Mieszko Kazimierzowic Mieszko Kazimierzowic ("Kazimierzowic" means "son of Kazimierz") (16 April 1045 – 28 January 1065) was a Polish prince member of the House of Piast. According to some scholars, he was probably Duke of Kuyavia since 1058 until his death. He was the third son of Casimir I the Restorer by his wife Maria Dobroniega, daughter of Vladimir the Great, Grand Duke of Kiev.