Jan Stefan Giedroyć

[2] As a protégé of Vilnius Bishop Ignacy Massalski, he quickly advanced politically during the reign of King Stanisław August Poniatowski.

[2] He reported the insurgent preparations of the Vilnius nobility to the Russian army stationed near the city.

His tenure was marked by accusations of greed in accumulating benefices and nepotism, as he promoted his Giedroyć relatives to church positions.

[4] His name appeared on Russian envoy Yakov Bulgakov’s 1792 list of senators and deputies whom Russia could rely on to overturn the May 3rd Constitution, as the only bishop alongside Józef Kazimierz Kossakowski.

[4] After the suppression of the Kościuszko Uprising, Giedroyć ordered the arrest of a priest in his diocese who had insulted Catherine II, earning him the gratitude of Russian envoy Nikolai Repnin.