Rostislav Mikhailovich
Rostislav Mikhailovich was a Rurikid prince and a dignitary in the Kingdom of Hungary.
He was prince of Novgorod, of Halych, of Lutsk, and of Chernigov. When he could not strengthen his rule in Halych, he went to the court of King Béla IV of Hungary, and married the king's daughter, Anna.
He was the Ban of Slavonia, and later he became the first Duke of Macsó, and thus he governed the southern parts of the kingdom. In 1257, he occupied Vidin and thenceforward he styled himself Tsar of Bulgaria.
Marriage and children
In 1243, Rostislav married Anna of Hungary, daughter of King Béla IV of Hungary and his wife, Maria Laskarina. Together they had the following children:- Duke Michael of Bosnia
- Duke Béla of Macsó
- Unnamed daughter, wife firstly of Tsar Michael Asen I of Bulgaria, secondly of Tsar Koloman II of Bulgaria
- Kunigunda, wife firstly of King Ottokar II of Bohemia, and secondly of nobleman Záviš of Falkenštejn
- Agrippina, wife of Prince Leszek II of Cracow