Sophia, was the wife of Byzantine Emperor Christopher Lekapenos, and Augusta of the Byzantine Empire from 921 to 931.Davids, Adelbert. The Empress Theophano: Byzantium and the West at the Turn of the First Millennium. Cambridge University Press, 2002.Oxford Dictionary of Byzantium. Oxford University Press, 1991. ISBN 978-0-19-504652-6
Biography Sophia was the daughter of the wealthy patrician Niketas, a Slav from the Peloponnese.Davids, Adelbert. The Empress Theophano: Byzantium and the West at the Turn of the First Millennium. Cambridge University Press, 2002.
Sophia was married to Christopher Lekapenos at some time before his father's ascension to the Byzantine throne in December 920. Christopher was later proclaimed as Caesar, and on 19 May 921, he was crowned co-emperor with his father. Runciman, Steven. The Emperor Romanus Lecapenus and His Reign: A Study of Tenth-Century Byzantium. Cambridge University Press, 1988Catalog of the Byzantine Coins in the Dumbarton Oaks Collection and in the Whittemore Collection, vol. 3: Leo III to Nicephorus III, 717–1081. Dumbarton Oaks, 1973. From then on, Christopher and Sophia were given leading roles in the court hierarchy, with Sophia even surpassing Helena Lekapene, Constantine VII's wife, in seniority and honors. After the death of Empress Theodora in February 922, Sophia received the title of Augusta alongside her sister-in-law Helena Lekapene. However, Romanos Lekapenos chose Sophia for the role of Zoste patrikia in the imperial palace.Runciman, Steven. The Emperor Romanus Lecapenus and His Reign: A Study of Tenth-Century Byzantium. Cambridge University Press, 1988
Around 928, Sophia's father, the patrician Niketas, unsuccessfully attempted to incite Christopher into a plot to replace his father on the throne, which lead to Niketas's banishment from Constantinople.Davids, Adelbert. The Empress Theophano: Byzantium and the West at the Turn of the First Millennium. Cambridge University Press, 2002. A likely motive for the conspiracy was the ill health of Christopher, which raised concerns among Niketas and Sophia regarding their influence at court after his death. Shortly after Christopher died in 931, Sophia retired to a monastery, where she ended her life as a nun.Oxford Dictionary of Byzantium. Oxford University Press, 1991. ISBN 978-0-19-504652-6
Family Sophia had 3 children with Christopher Lekapenos
Maria-Irene, the empress-consort of Peter I of Bulgaria
Romanos, who died in infancy Michael, an infant at the time of Christopher's death, was made a cleric at the time of the family's fall from power in 945. He eventually garnered several high-ranking positions at the Byzantine court, but nothing further is known of his later life
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