His 15th-century ancestor Morza Bagrim, a Tatar who emigrated from the Great Horde to Muscovy, converted to Christianity and became a vassal of Grand Prince Vasily II.
O seu antergo do século XV, Morza Bagrim, un tártaro que emigrou da Grande Horda ao Gran Ducado de Moscova, converteuse ao cristianismo e converteuse en vasalo do gran príncipe Vasily II.