Skip to the content
Author

John IV

Pope John IV (Ioannes IV; died 12 October 642) was the bishop of Rome from 24 December 640 to his death on 12 October 642. His election followed a four-month vacancy. He wrote to the clergy of Ireland and Scotland to tell them of the mistakes they were making with regard to the time of keeping Easter and condemned Monothelitism as heresy.

Also recorded as Pope John IV · Ioannes IV · Pope Giovanni IV · Iohannes PP. IV

John IV

Papst Johannes IV. (?), Seite aus: Thomas

Thomas Murner · This image has been extracted from another file · Public domain

Name
John IV
Birthplace
Iadera, Dalmatia, Eastern Roman Empire
Died
12 October 642
Place of death
Vatican, Rome, Italy, Eastern Roman Empire
Born
John IV was born in 600. · Dalmatia.
Nationality
Byzantine Empire
Occupation
western priest · writer
Languages
Latin

Reference Check

Propose documentary evidence for John IV. A contribution is never written directly as fact: identity, source, rights and evidence gates still decide.

Sign in to contribute

World of VALÉORINE

Documentary connections

Only confirmed graph relationships appear here. Images are shown only when their identity and reuse rights both pass the documentary gate.

Documentary evidence

Documentary basis

Authority files

wikidata · Q199491 · wikipedia · Pope John IV

In this article

  1. 01Biography
  2. 02Notes, references and evidence

The Encyclopedia exists whether or not anything is for sale. Corrections are recorded rather than overwritten, and every version of this record is kept. Published 14 August 2026.

Elsewhere in Books

For owners

Own a work by John IV?

A specialist will read what you send and tell you what the house can establish, what it cannot, and whether the object is suited to sale. There is no charge and no obligation. The object stays with you throughout; nothing is shipped to us unless it is arranged in writing beforehand.