Bezprym (986-1032), the first-born son of Bolesław I Chrobry and his second wife, who came from Hungary (unknown name); he was deprived of throne of Poland due to giving it to his brother Mieszko II. In 1031, in alliance with emperor Conrad II, with Russians and Germans he gained the throne and Mieszko II escaped to Bohemia, he sent the royal regalia to emperor. Bezprym was murdered in 1032.
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