Pope Leo XII

Pope of the Catholic Church from 1823 to 1829

Pope Leo XII (Latin: Leo Duodecimus; 22 August 1760 – 10 February 1829), born Annibale Francesco Clemente Melchiore Girolamo Nicola Sermattei della Genga, was an Italian priest of the Roman Catholic Church and the 253rd Pope from 1823 to 1829.[1]

Ritratto di Papa Leone XII (cropped).jpg
Papacy began28 September 1823
Papacy ended10 February 1829
PredecessorPope Pius VII
SuccessorPope Pius VIII
Personal details
Birth nameAnnibale Francesco Clemente Melchiore Girolamo Nicola Sermattei della Genga
Born(1760-08-22)22 August 1760
Genga (near Spoleto)
Died(1829-02-10)10 February 1829
Rome, Papal States
Other popes named Leo


Della Genga was born in a family of Papal States nobility.[2]


Della Genga was ordained as a priest in 1783.[2]

Pope Pius VII made him his private secretary.[2]


In 1793, he was made Archbishop of Tyre; and he was sent as papal nuncio to Lucerne.[2]

He was the papal nuncio in Cologne between 1794 and 1805.[2]

After 1805, he retired to the abbey of Monticelli near Florence.[2]


Tn 1816, Pius VII created him cardinal.[2]

In 1820, Cardinal della Genga became Vicar-General of Rome.[2]


Cardinal della Genga was elected pope 1n September 1823.[3]

Related pagesEdit


The Coat of Arms of Leo XII
  1. "List of Popes," Catholic Encyclopedia (2009); retrieved 2011-11-8.
  2. 2.0 2.1 2.2 2.3 2.4 2.5 2.6 2.7 "Pope Leo XII", Catholic Encyclopedia; retrieved 2011-11-8.
  3. Society for the Diffusion of Useful Knowledge. (1839). "Leo XII", Penny cyclopaedia, Vol. 13, p. 428.

Other websitesEdit

  Media related to Leo XII at Wikimedia Commons

  •   "Pope Leo XII" . Catholic Encyclopedia. New York: Robert Appleton Company. 1913.

Preceded by
Pius VII
Succeeded by