General dywizji/Wiceadmiral Konstanty BIERGIEL (1855 - 1939)
1910: Promoted to Kontradmiral (Imperial Russian navy)
1913: Promoted to Wiceadmiral (Imperial Russian navy)
1920 - 1921: Commandant, Cherbourg (France) Polish Naval Base
1921: Retired
Principal sources:
Generalicja Polska (I & II), by Henryk P. Kosk
Andris J. Kursietis, personal archives
1910: Promoted to Kontradmiral (Imperial Russian navy)
1913: Promoted to Wiceadmiral (Imperial Russian navy)
1920 - 1921: Commandant, Cherbourg (France) Polish Naval Base
1921: Retired
Principal sources:
Generalicja Polska (I & II), by Henryk P. Kosk
Andris J. Kursietis, personal archives