Pachomius I of Constantinople

Pachomius I (died 1513) was the Ecumenical Patriarch of Constantinople for a brief time in 1503, then again from 1504 to his death in 1513.

Biography
Early in his reign as Patriarch, Pachomius publicly shamed a deacon named Cyril of Rhodes, a Templar in secret, for "actions unbecoming of the Eastern Orthodox faith" and had him exiled.

The issue did not end there, however, a vengeful Cyril returned to Constantinople and, around 1511, began to plot to murder the Patriarch in retribution for his humiliation.

However, thanks to the interference of the Assassin Mentor Ezio Auditore da Firenze and the trainee Master Assassin of the Assassin Den in the northern part of the Bayezid District of the city. They confronted and killed the errant deacon and eliminated the threat on the Patriarch's life.