Diocese of Siwantze [Chongli-Xiwanzi]

---

Bishop(s) Vacant

General Information Type of Jurisdiction: Diocese Elevated: 11 April 1946 Metropolitan: Archdiocese of Suiyüan [Hohot] Rite: Latin (or Roman) Country: China Square Kilometers: 250,000 (96,562 Square Miles) Mailing Address: Catholic Mission, Bishop's House, Chongli-Xiwanzi, Hohhot, China

Historical Details

• Vicariate Apostolic of Mongolia
  • Latin Name: Mongoliae
  • Erected: 1840
  • Vicariate
  • Country: China

• Vicariate Apostolic of Central Mongolia {Mongolia Centrale}
  • Latin Name: Mongoliae Centralis
  • Erected: 21 December 1883
  • Vicariate
  • Country: China

• Vicariate Apostolic of Tchagar
  • Name Changed: 14 March 1922
  • Vicariate
  • Country: China

• Vicariate Apostolic of Siwantze [Chongli-Xiwanzi]
  • Latin Name: Sivanzeanus
  • Name Changed: 3 December 1924
  • Vicariate
  • Country: China

---

Past and Present Ordinaries

• Joseph-Martial Mouly, C.M. † (23 Aug 1840 Appointed - 28 Apr 1846 Appointed, Apostolic Administrator of Peking [Beijing])
• Florent Daguin, C.M. † (17 Jul 1857 Appointed - 9 May 1859 Died)
• Giovanni Bax, C.I.C.M. † (22 Oct 1874 Appointed - )
• Girolamo Van Aertselaer, C.I.C.M. † (1 May 1898 Appointed - 12 Jan 1924 Died)
• Everardo Ter Laak, C.I.C.M. † (12 Jan 1924 Succeeded - 5 May 1931 Died)
• Leone Giovanni M. De Smedt, C.I.C.M. † (14 Dec 1931 Appointed - 24 Nov 1951 Died)
• Melchior Chang K'o-hing † (24 Nov 1951 Succeeded - 6 Nov 1988 Died)

---

Historical Summary

Date	Event	From	To
Vicariate Apostolic of Mongolia
1840	Erected		Vicariate Apostolic of Mongolia (erected)
21 December 1883	Territory Lost	Vicariate Apostolic of Mongolia	Vicariate Apostolic of Southwestern Mongolia {Mongolia Occiduo-Meridionale} (erected)
21 December 1883	Territory Lost	Vicariate Apostolic of Mongolia	Vicariate Apostolic of Eastern Mongolia {Mongolia Orientale} (erected)
Vicariate Apostolic of Central Mongolia {Mongolia Centrale}
21 December 1883	Erected	Vicariate Apostolic of Mongolia	Vicariate Apostolic of Central Mongolia {Mongolia Centrale} (erected)
Vicariate Apostolic of Tchagar
14 March 1922	Name Changed	Vicariate Apostolic of Central Mongolia {Mongolia Centrale}	Vicariate Apostolic of Tchagar
Vicariate Apostolic of Siwantze [Chongli-Xiwanzi]
3 December 1924	Name Changed	Vicariate Apostolic of Tchagar	Vicariate Apostolic of Siwantze [Chongli-Xiwanzi]
Diocese of Siwantze [Chongli-Xiwanzi]
11 April 1946	Elevated	Vicariate Apostolic of Siwantze [Chongli-Xiwanzi]	Diocese of Siwantze [Chongli-Xiwanzi]

---

Statistics

Year	Catholics	Total Population	Percent Catholic	Diocesan Priests	Religious Priests	Total Priests	Catholics Per Priest	Permanent Deacons	Male Religious	Female Religious	Parishes	Source
Diocese of Siwantze [Chongli-Xiwanzi]
1950	40,725	700,000	5.8%	33	39	72	565			83		ap1951

Note: Any changes in boundaries over time are not indicated in the above table.

---

Affiliated Bishops, Living

• None

  ---

Affiliated Bishops, Deceased

• Giovanni Bax, C.I.C.M. † (Vicar Apostolic: 22 Oct 1874)
• Melchior Chang K'o-hing † (Coadjutor Bishop: 3 Nov 1949; Bishop: 24 Nov 1951 to 6 Nov 1988)
• Florent Daguin, C.M. † (Coadjutor Vicar Apostolic: 2 Mar 1847; Vicar Apostolic: 17 Jul 1857 to 9 May 1859)
• Leone Giovanni M. De Smedt, C.I.C.M. † (Vicar Apostolic: 14 Dec 1931; Bishop: 11 Apr 1946 to 24 Nov 1951)
• Joseph-Martial Mouly, C.M. † (Vicar Apostolic: 23 Aug 1840 to 28 Apr 1846)
• Everardo Ter Laak, C.I.C.M. † (Coadjutor Vicar Apostolic: 6 May 1914; Vicar Apostolic: 12 Jan 1924 to 5 May 1931)
• Girolamo Van Aertselaer, C.I.C.M. † (Vicar Apostolic: 1 May 1898 to 12 Jan 1924)