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In page Maria Shvarnovna:

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Maria is venerated as a saint by the Russian Orthodox Church and is credited with founding several convents, most notably the Convent of the Assumption, known as the Princess's Convent (Успенский Княгинин монастырь) in Vladimir on the Klyazma. According to several accounts, the convent was founded in 1200 and Maria took the schema and the name Marfa (although this would have required her to have ended her marriage with Vsevolod, who outlived her by six years). She and her sister, Anna, were buried in the convent and her relics, along with those of several other saints, including Alexander Nevsky's first wife, Princess Alexandra, and his daughter are still kept there.[citation needed]