ENThis paper addresses the public Orthodox identity of the Muscovite ruling family during the late 15th century, by focusing on the case of Elena Ivanovna (1474/6–1513), daughter of Ivan III of Moscow and wife of Alexander Jagiellon of Lithuania. Through an analysis of the diplomatic correspondence between the grand prince of Moscow and his daughter, it discusses the implications Elena’s religious identity had both on an individual level and for the image of the Muscovite dynastic identity. Keywords: Ivan III of Moscow, Elena of Lithuania, Muscovite-Lithuanian Wars, religious identity. [From the publication]