Prince of Belz, Peremyshl and Halych, the sovereign of the Kingdom of Rus (1269-1300) The founder of L'viv. In his reign the size of the Rus Kingdom achieved its maximum.
Since 1247, the wife of Prince Lev, the daughter of King Bela IV of Hungary, She visited the Hungarian and Polish courts with diplomatic missions, helping her husband to carry on difficult negotiations.
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