Title: Svi︠a︡tye kni︠a︡zʹi︠a︡-mucheniki Boris i Gleb
Subjects: Sources, Christian martyrs, Biography
Places: Kievan Rus
People: Boris kni︠a︡zʹ rostovskiĭ, Saint (-1015), Gleb kni︠a︡z muromskiĭ, Saint (approximately 984-1015)