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Pope Agatho

c. 577 – 681 · b. Sicily · Bishop of Rome
bishop

Pope (678-681) whose dogmatic letter to the Third Council of Constantinople (680-681) was accepted as a definitive statement of dyothelite Christology, condemning Monothelitism.

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Common questions

Who was Pope Agatho?
Pope Agatho (577–681) — Pope (678-681) whose dogmatic letter to the Third Council of Constantinople (680-681) was accepted as a definitive statement of dyothelite Christology, condemning Monothelitism.
Who did Pope Agatho correspond with?
Constantine IV.
Who succeeded Pope Agatho as bishop of Rome?
Pope Leo II.

Sources for biography

  • Acta of the Third Council of Constantinople (681) primary
  • Liber Pontificalis 81 primary

documented connections(3)

  • corresponded Constantine IV
    Agatho's dogmatic letter to Emperor Constantine IV was read at the Third Council of Constantinople and accepted as the standard of dyothelite faith.
    Acta of the Third Council of Constantinople (681), Session 4
  • succeeded in see (incoming) Pope Leo II
    Leo II succeeded Agatho as Bishop of Rome in 682.
    Liber Pontificalis 82
  • cited Pope Leo I
    Agatho's dogmatic letter (Tomus Agathonis) read at the Third Council of Constantinople (681) explicitly invokes and incorporates the Tome of Leo as the standard of Chalcedonian dyothelite Christology.
    Agatho, Epistula ad Constantinum imperatorem, in ACO ser. II vol. 2.1, pp. 52-122 · Acta of the Third Council of Constantinople (681), Session 4

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