As he married Moscow women, he initially intended to stay in Muscovy; he swore loyalty to the Tsar and in 1635 he converted to Orthodoxy.
然而他与莫斯科女人结了婚，他最初打算留在莫斯科公国；他宣誓向俄罗斯沙皇效忠，并于1635年皈依了东正教。