John Geréb de Vingárt (sometimes referred to as Vingard), (b.????
was a Hungarian nobleman who served as Vice-Voivode of Transylvania (1450-1458) under the Regent of Hungary Michael Szilágyi and rose to the position of governor (1445-1460) under Emeric III Bebek, who was killed at the Battle of Kosovo (1448).
[2] He served the Hungarian crown loyally for many years, and was eventually rewarded for his service: his son Matthias Gereb received Castle Făgăraș.
[2] Geréb was a loyal follower of Władysław II, to the extent of trying to kill Vlad the Impaler while he was imprisoned under John Hunyadi.
Ladislas entered the church, serving as bishop of Transylvania at Alba Iulia (1476–1501) and archbishop of Kalocsa in the Archdiocese of Kalocsa–Kecskemét.