• Born in Morestel(Grenoble) on 6 April 1839
• Joined the Capuchin Order on 22 August 1862
• Left for the Missions in Ethiopia on 1873
• Nominated Titular Bishop of Morocco on 15 March 1881
• Nominated Coadiutor Vicar Apostolic of Gallas (Ethiopia) on 1882
• Appointed Apostolic Administrator of the Apost. Preficture of Aden on 1886
• Nominated Vicar Apostolic of the Vicariate of Arabia on 1888
• Resigned from the office on 1900
• Died in Aix on 22 August 1903

 MGR Filippo Reffaele Presuitti, OFM Cap. 

• Born in Recanati (Italy) on 9 January 1845
• Entered the Novitiagte on 1 August 1861
• Ordained Priest on 8 December 1868
• Left for Aden on 8 September 1869
• Left from Aden to Agra (India) on 28 May 1870
• Nominated Titular Bishop of Anchi and Vicar Apostolic of Arabia on 13 September 1910
• Died in Keren (Erithrea) on 3 August 1914

MGR. Evangelista Lation Vanni, OFM Cap.  

• Born in Usella (Florence) on 28 December 1878
• Entered the Novitiate on 15 March 1894
• Ordained Priest on 21 June 1901
• Left for Agra (India) on 1905
• Nomimated Titular Bishop of Tenedo and Vicar Apostolic of Arabia on 13 April 1916
• Nominated Co-adjutor to the Archbishop of Agra on July 1928
• Appointed Archbishop of Agra on 21 August 1937
• Retired on 1958
• Died in Dehra Dun (India) on 20 May 1962

MGR.Pacifico Tiziana Micheloni, OFM Cap.

• Born in Prato (Florence) on 8 March 1881
• Entered the Novitiate on 11 April 1986
• Ordained Priest on 19 September 1903
• Left for Agra (India) in 18 October 1907
• Nominated Titular Bishop of Lete and Vicar Apostolic of Arabia on 25 April 1933
• Died in Rome on 6 July 1936

MGR. Giovanni Battista Tirinnazi, OFM Cap.

• Born in Florence on 26 March 1839
• Entered the Novitate on 4 January 1887
• Ordained Priest on 11 October 1891
• Left for Agra (India) on 25 December 1894
• Nominated Titular Bishop of Gaza and Vicar Apostolic of Arabia on 2 July 1937
• Died in Florence on 27 January 1949

MGR.Luigi Irzio Magliacani, OFM Cap. 

• Born in Casteldelpiano (Grosseto) on 16 February
• Entered the Novitate on 25 April 1907
• Ordained Priest on 20 March 1915
• Left for Agra (India) on 11 November 1920
• Transferred to Aden on 1939
• Nominated Titular Bishop of Din and Vicar Apostolic of Arabia on 25 December 1949; and consecrated Bishop in Florence on 28 May 1950
• Retired on 4 December 1969
• Died in Rome on 15 March 1976

MGR. Bernado Giovanni Gremoli, OFM Cap.

• Born in Poppi (Arezzo) on 30 June 1926
• Entered the Novitiate on 23 July 1942
• Ordained Priest on 17 February 1951
• Nominated Titular Bishop of Masuccaba and Vicar
• Nominated Titular Bishop of Din and Vicar Apostolic of Arabia on 25 December 1949; and consecrated Bishop in Florence on 28 May 1950
• Apostolic of Arabia on 2 October 1975
• Consecrated Bishop on 22 February 1976 to March 2005

MGR. Paul Hinder, OFM Cap. 

• Born in Stehrenberg (Thurgau/Switzerland) on 22 April 1942
• Entered the Novitate on 3 Septembr 1962
• Ordained Priest on 4 July 1967
• Nominated Titular Bishop of Macon and Auxilary Bishop of the Vicariate Apostolic of Arabia on 12 December 2003
• Consecrated Auxilary Bishop of Arabia on 30 January 2004
• Vicar Apostolic of Arabia from 30 March 2005 till May 30, 2011

MGR. Camillo Ballin, MCCJ 

• Born in Fontaniva, Padua, Italy on June 24, 1944
• Made his first religious profession (Comboni Missionaries of the Heart of Jesus) in 1965
• Made his perpetual profession on September 9, 1968
• Ordained Priest on March 30, 1969 at Castelleto sul Garda, Verona
• Appointed Vicar Apostolic of Kuwait on July 14, 2005
• Consecrated Bishop on September 2, 2005.
• Bishop Camillo was the first Apostolic Vicar of Northern Arabia (Kuwait, Bahrain, Qatar and Saudi Arabia). He assumed the title on May 31, 2011. He was Apostolic Vicar till his death on April 12, 2020.

MGR. Paul Hinder, OFM Cap. 

.... see above for the Bishop's biography ...
• Appointed Apostolic Admistrator of Northern Arabia (2020 - 2023)

MGR.Aldo Berardi, O.SS.T. 

• Born in Longeville-lès-Metz (France) on 30th September 1963.
• He made his perpetual profession in Rome on 17th December 1990.
• He was ordained a priest in Ars-sur-Moselle (France) on 20th July 1991.
• He was appointed Apostolic Vicar of the Apostolic Vicariate of Northern Arabia on 28th January 2023 His Holiness Pope Francis.
• Msgr. Aldo was consecrated Bishop on 18th March 2023 by His Eminence Cardinal Miguel Angel Ayuso Guixot, M.C.C.J. at Our Lady of Arabia Cathedral, Awali, Bahrain.