Semyon Konstantinovich

Semen Krnstantinovich - destiny. kn. Obolensky., Boyar and voivod led. kn. wash. Dmitry Donskoy, the son of the lot. kn. Obolensk. Konstantin Ivanovich, after whose death at the hands of the Lithuanians (1368) went with his brothers in the service in Moscow. Participated in obscherus. Campaign (1375) to Tver. In the Kulikov Battle (1380), together with his brother, Prince. Ivan Konstantinovich, commanded the guard regiment and the first privyal the blow Tat. cavalry.