Konstantin I Vsevolodovich, Grand Duke of VLADIMIR
He married Agafiya Mstislavna, Princess of Smolensk 15 Oct 1195 at of Smolensk, Smolensk, Russia . Agafiya Mstislavna, Princess of Smolensk was born at of Smolensk, Smolensk, Russia Abt 1187 daughter of Mstislav III Boris, Grand Duke of Kiev and .
They were the parents of 3
children:
Vasilko Konstantinovich, Duke of Rostov & Vladimir
born 7 Dec 1208.
Vsevolod Ivan Konstantinovich, Duke of Yaroslavl
born 18 Jun 1210.
Vladimir Dmitrij Konstantinovich, Duke of Uglich
born 1214.
Konstantin I Vsevolodovich, Grand Duke of Vladimir died 2 Feb 1218 .
Agafiya Mstislavna, Princess of Smolensk died 24 Jan 1221 .