Analysis of information sources in references of the Wikipedia article "Russian tradition of the Knights Hospitaller" in English language version.
In the very heart of St. Petersburg stands a magnificently proportioned, medium-sized palace, designed in the mid-eighteenth century by the Italian architect Bartolomeo Rastrelli. The fine old palace was given by the Emperor Paul to the exiled Order of the Hospitalers of Saint John of Jerusalem (the Knights of Malta) in 1796. In 1810, Alexander I gave this palace to the Corps of Pages as the headquarters. It was a gift with great symbolic meaning. The Knights left the Palace with a Catholic chapel in the garden and Maltese Crosses everywhere. The crosses and the chapel remained and the young Pages took very seriously the thought that they were the heirs of the Order, adopting many of its traditions as their own and the white Maltese Cross as their insignia.
An extraordinary building that resembles a Gothic country church more than a palace, the Priory Palace was the result of Paul's abiding relationship with the Knights Templar of the Maltese Order of St. John. Compelled to leave Malta by Napoleon, the Knights turned to Russia, with whom they had been allied during the Turkish Wars of Catherine the Great's reign, for assistance and protection. Paul, although officially Russian Orthodox, agreed to take the order under his patronage and, in 1798, assumed the title of Grand Master