Background
Son of voivode of Troki and Hetman Prince Konstanty Wasyl Ostrogski h. Leliwa, the daughter of voivode of Ruthenia and Krakow Hetman January Amor Tarnowski h.
Son of voivode of Troki and Hetman Prince Konstanty Wasyl Ostrogski h. Leliwa, the daughter of voivode of Ruthenia and Krakow Hetman January Amor Tarnowski h.
Ostrogski and Zofia Tarnowska h. Leliwa and Zofia Szydłowiecka h. Odrowąż. He was voivode of Wołyń since 1593 and starost of Pereiaslav.
Dąbrowa a Roman Catholic.
Aleksander stay the only son of Konstanty Wasyl Ostrogski who remained Orthodox. Together with his father he acted against the Union of Brest.
He founded the Monastery of Holy Trinity in the village of Mezhirich. Aleksander was buried in the Church of Lord"s Theophany in Ostróg.