Following the Russian victory against the Ottomans in the war of 1828–1829 and the subsequent Peace of Adrianople, which transferred the city to Wallachian control, the building became a church permanently on the initiative of Grand Duke Michael Pavlovich.
As the only daughter of Grand Duchess Catherine (herself the principal heiress to her father Grand Duke Michael), Helene was quite notably wealthy.
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It was not until after his death that movement for the organization of the society was started at the reign of Alexander II, who was more liberal, and with the assistance of intelligent and well-educated grand princess Elena Pavlovna, widow of Mikhail Pavlovich, uncle of Alexander II.