Abraham of Pbou (or Pbow) served as the last Coptic Orthodox abbot of the Pachomian monastic federation. His tenure during the 6th-century CE reign of Justinian I (527–565 CE) was marked by sharp divisions within the federation over the Council of Chalcedon, political intrigue undertaken by the pro-Chalcedonian elements within it to remove him, and the resulting loss of the Pachomian movement to Coptic Orthodoxy. Forced out of the federation, Abraham returned to his native Farshut, where he est…