Johann Casimir von Haeffelin (3 February 1737,

Minfeld Minfeld is a municipality in the district of Germersheim, in Rhineland-Palatinate, Germany. Sons and daughters of the community * Johann Casimir Häffelin (1737-1827), bishop, cardinal, Bavarian Minister of the Holy See, diplomat Personalities ...

- 27 August 1827,

Rome , established_title = Founded , established_date = 753 BC , founder = King Romulus (legendary) , image_map = Map of comune of Rome (metropolitan city of Capital Rome, region Lazio, Italy).svg , map_caption ...

) was a Roman Catholic priest in the

diocese of Speyer The Diocese of Speyer (lat. Dioecesis Spirensis) is a diocese of the Catholic Church in Germany. The diocese is located in the South of the Rhineland-Palatinate and comprises also the Saarpfalz district in the east of the Saarland. The bishop's ...

, a cardinal and a major diplomat during the reign of

Maximilian I Joseph of Bavaria Maximilian I Joseph (german: Maximilian I. Joseph; 27 May 1756 – 13 October 1825) was Duke of Zweibrücken from 1795 to 1799, prince-elector of Bavaria (as Maximilian IV Joseph) from 1799 to 1806, then King of Bavaria (as Maximilian I Joseph) ...

. As Bavaria's ambassador to the

Holy See The Holy See ( lat, Sancta Sedes, ; it, Santa Sede ), also called the See of Rome, Petrine See or Apostolic See, is the jurisdiction of the Pope in his role as the bishop of Rome. It includes the apostolic episcopal see of the Diocese of R ...

he negotiated the

Concordat of 24 October 1817 The Concordat of 24 October 1817 was a concordat signed on 24 October 1817 between the Kingdom of Bavaria and the Holy See. Secularization of church property and the mediatisation of the ecclesiastical estates in the former Holy Roman Empire marke ...

between the

Kingdom of Bavaria The Kingdom of Bavaria (german: Königreich Bayern; ; spelled ''Baiern'' until 1825) was a German state that succeeded the former Electorate of Bavaria in 1805 and continued to exist until 1918. With the unification of Germany into the German ...

and the Catholic Church under pope Pius VII. He was made titular bishop of Chersonesus on Crete on 28 September 1817 by Pius VII and consecrated in the Maltheserkirche St. Michael in

Munich Munich ( ; german: München ; bar, Minga ) is the capital and most populous city of the German state of Bavaria. With a population of 1,558,395 inhabitants as of 31 July 2020, it is the third-largest city in Germany, after Berlin and Ha ...

on 11 November that year by the

apostolic nuncio An apostolic nuncio ( la, nuntius apostolicus; also known as a papal nuncio or simply as a nuncio) is an ecclesiastical diplomat, serving as an envoy or a permanent diplomatic representative of the Holy See to a state or to an international ...

Giulio Cesare Zoglio. In the consistory of 6 April 1818 Pius VII also made him a cardinal, with his title being

Santa Sabina The Basilica of Saint Sabina ( la, Basilica Sanctae Sabinae, it, Basilica di Santa Sabina all'Aventino) is a historic church on the Aventine Hill in Rome, Italy. It is a titular minor basilica and mother church of the Roman Catholic Order of Pre ...

and then from 1822

Sant'Anastasia Sant'Anastasia ( nap, Santa Nastàsë) is a ''comune'' (municipality) in the Metropolitan City of Naples in the Italian region Campania, located about northeast of Naples. Sant'Anastasia borders the following municipalities: Casalnuovo di Napoli ...

- as such he took part in the conclave of 1823 which selected

pope Leo XII Pope Leo XII ( it, Leone XII; born Annibale Francesco Clemente Melchiorre Girolamo Nicola della Genga (; 2 August 1760 – 10 February 1829), was head of the Catholic Church and ruler of the Papal States from 28 September 1823 to his death ...

References

Sources

* {{DEFAULTSORT:Haffelin, Johann 19th-century German cardinals Kingdom of Bavaria Diplomats of Bavaria Roman Catholic bishops of Speyer Ambassadors to the Holy See 1737 births 1827 deaths People from Germersheim (district) Cardinals created by Pope Pius VII