Orthodox Hierarchs

Patriarchate of Moscow

Kolpino

Vicariate of Petrograd

Bishops 2

  1. 22 January 1924 – 1927

    Serapheim Protopopov 1894–1937

    Bishop

  2. 1928

    Serapheim Protopopov 1894–1937

    Bishop

In the order of their start dates; bishops whose dates are unknown come last. Gaps are periods the data does not yet cover.