John VIII of Constantinople, born John Xiphilinos in Trebizond around 1010, was a Byzantine intellectual and jurist who served as Ecumenical Patriarch of Constantinople from 1064 until his death on 2 August 1075. He was the uncle of the legal writer John Xiphilinus the Epimator and is considered an innovator in the methodology of jurisprudential research. This description is adapted from Wikipedia contributors under CC BY-SA 4.0; changes were made. https://creativecommons.org/licenses/by-sa/4.0/
Facts
Classification
NationalityByzantine Empire (Historical) 2 Veneration StatusOfficially Recognized or Venerated 1 Life
Lifespan or Floruit Attestation
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Entity-backed identity for the revered-in enum value this member already carries, resolved by exact or single-candidate near-exact live entity name match against a same-atlas religion, denomination or organization entity, per the phase 3 revered-in pilot (docs\design_entity_backed_browse_buckets_20260928.md, owner decision 2026-09-28, w-bucketpilot-reveredin-0929). The revered-in fact itself, with its own citation, remains on the member entity unchanged; this relationship only adds the durable entity identity the enum value already names.
In the Other Atlases
Sources
1. John VIII of Constantinople, Structured Record (Wikidata Q672126)
2. John VIII of Constantinople (Wikipedia)
Introduction
John VIII of Constantinople (born John Xiphilinos; Greek: Ἰωάννης Ξιφιλῖνος; c. 1010-2 August 1075), a native of Trebizond, was a Byzantine intellectual, jurist, and Ecumenical Patriarch of Constantinople from 1064 to 1075.
lead paragraph
(born John Xiphilinos; Greek: Ἰωάννης Ξιφιλῖνος; c. 1010-2 August 1075)
View the SourceWikidata: John VIII of Constantinople
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