Vasilko Konstantinovich (7 December 1209 – 4 March 1238) the first Prince of Rostov, Russia
Vasilko Konstantinovich (7 December 1209 – 4 March 1238) the first Prince of Rostov, Russia
Vasilko Konstantinovich (7 December 1209 – 4 March 1238) the first Prince of Rostov, Russia