Dee ihe na-aga n'ihu maka paragraf a - Vasilko Konstantinovich (; 7 Disemba 1209, na Rostov <unk> 4 Machị 1238, na Sherensky ọhịa) bụ Onye isi nke mbụ nke Rostov, Rus '. Ọ bụ nwa Konstantin nke Rostov, na di nke Maria nke Chernigov. Ọ nwụrụ n'agha nke Osimiri Sit n'oge mbuso agha ndị Mongol nke Kievan Rus'
Nwa ya nwoke bụ Boris nọchiri ya.