Alexander Petrovich Kunitsyn was a Russian lawyer, professor, Active State Councillor. He was a favourite teacher of the Russian poet and playwright, Alexander Pushkin.
Alexander Fyodorovich Labzin was a leading figure of the Russian Enlightenment who developed an idiosyncratic mystical system and founded an influential St. Petersburg masonic lodge, The Dying Sphinx. His wife Anna Labzina was a noted memoirist.