Title: Velikiĭ kni͡a︡zʹ Oleg Ivanovich Ri͡a︡zanskiĭ
Subjects: Biography, History, Kings and rulers
Places: Ri︠a︡zanʹ (Russia), Ri︠a︡zanʹ Region (Russia)
People: Oleg Ivanovich Grand Duke of Ri︠a︡zanʹ (1338-1402)