Buguruslan
Vicariate of Orenburg, Samara, Voronezh
Bishops 10
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3 June 1923 – 1923
Aleksii Orlov 1862–1937
Bishop
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1926/1927 – 1928
Herman Kokkel 1883–1937
Locum tenens, then Bishop
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1930 – 2 July 1930
Irinei Shulmin 1893–1938
Bishop
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1930 – 1932
John Troyanskii 1862–1937
Bishop
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19 February 1931 – 8 March 1933
Mefodii Abramkin 1883–1939
Bishop
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16 September 1931 – 1933
Heracles Popov 1875–1938
Bishop
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2 July 1933 – 13 October 1935
Artemon Evstratov 1889–1937
Bishop
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1935 – 1936
Andrew Solntsev 1872–1937
Bishop
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30 September 1935 – November 1936
Heracles Popov 1875–1938
Bishop
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21 January 1937 – 22 February 1937
Heracles Popov 1875–1938
Bishop
In the order of their start dates; bishops whose dates are unknown come last. Gaps are periods the data does not yet cover.
Also named after the see
Retired bishops who kept its name, and clergy or lay people whose title was attached to it.
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November 1936 – 21 January 1937
Heracles Popov 1875–1938
Former Bishop