Vsevolod Mstislavich was a son of Mstislav II of Kiev and Agnes, the daughter of King Boleslaus III of Poland. Vsevolod was Prince of Belz and Prince of Volhynia. He died in 1196.
Family
Aleksandr (?-1234)
Vsevolod
Anastasia, married to Bolesław I of Masovia
daughter
Vsevolod (?-1215)
Olena (possibly)