John VIII of Constantinople


John Xiphilinos
Ecumenical Patriarch of Constantinople
Seal
ChurchEastern Orthodox Church
In office1 January 1064 – 2 August 1075
PredecessorConstantine Leichoudes
SuccessorCosmas I
Personal details
Bornc. 1010
Trebizond
(modern-day Trabzon, Turkey)
Died2 August 1075
Constantinople
(modern-day Istanbul, Turkey)
EducationUniversity of Constantinople
Sainthood
Feast dayAugust 30
Venerated inEastern Orthodoxy
Philosophy career
InstitutionsUniversity of Constantinople
Notable studentsMichael Psellos
Main interests
Jurisprudence

John VIII Xiphilinos (Greek: Ἰωάννης Ξιφιλῖνος; c. 1010 – 2 August 1075), a native of Trebizond, was a Byzantine intellectual,[1] jurist,[1] and patriarch of Constantinople from 1064 to 1075. He was the uncle of John Xiphilinus, the Epimator. He is considered "an innovator in the field of the methodology of jurisprudential research."[2]

  1. ^ a b Xiphilinos, John VIII – Oxford Reference
  2. ^ Basil Tatakis, Byzantine Philosophy, Hackett Publishing, 2003, p. 147.