Gregory IV

Holy See list

Number

101

Regnal name

Grégoire IV · Gregory IV

Birth name

not stated

Place stated for birth

Rome

Century stated

9

Beginning of the pontificate

... IX.827, 29.III.828 incomplete date, left incomplete

End of the pontificate

25.I.844

No biography is added. The Holy See does not give a birth date here, and the end of the pontificate is not turned into a date of death.

Source

Holy See, Pontiffs · consulted on 2026-09-28