After the conversion of Lithuania to Roman Catholicism, the Orthodox cathedral was protected by princes Konstanty Ostrogski and Konstanty Wasyl Ostrogski, who restored it after the collapse of the dome in 1506.
Konstanty Ostrogski | Konstanty Ildefons Gałczyński | Ostrogski family | Konstanty Zakrzewski | Jim Konstanty | Konstanty Wasyl Ostrogski | Konstanty Jodko-Narkiewicz |
Aleksander stay the only son of Konstanty Wasyl Ostrogski who remained Orthodox.