at Houghton Library, Harvard University 1792 births 1862 deaths Opera singers from the Russian Empire Ladies-in-waiting from the Russian Empire Salon holders from the Russian Empire Zinaida Converts to Roman Catholicism from Eastern Orthodoxy Former Russian Orthodox Christians Roman Catholics from the Russian Empire Women writers from the Russian Empire Poets from the Russian Empire Deaths from pneumonia in Lazio Expatriates from the Russian Empire in Italy Composers from the Russian Empire 19th-century composers Russian princesses 19th-century women composers