Title: Kni︠a︡z Vasylʹ-Kosti︠a︡ntyn Ostrozʹkyĭ
Subjects: History
Places: Ukraine
People: Kosti͡antyn Ostrozʹkyĭ kni͡azʹ (1526-1608), Ostrozʹkyĭ family
Time periods: 1340-1648