Patriarch John VIII of Constantinople

Joannes Xiphilinus, a native of Trebizond, also known as John Xiphilinus or John VIII, was patriarch of Constantinople from 1064-1075. He was the uncle of John Xiphilinus the Epimator. John VIII also wrote a hagiography of Saint Eugenios of Trebizond.
John VIII
Category:11th-century Eastern Orthodox bishops
Category:Byzantine Pontians
ca:Joan VIII Xifilí
de:Johannes VIII. (Patriarch)
el:Ιωάννης Η΄ Ξιφιλίνος
fr:Jean VIII Xiphilin
it:Giovanni VIII Xifilino
ru:Иоанн VIII Ксифилин