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In page Theodosia (wife of Leo V):

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Genesius records that Prokopia, wife of Michael I, referred to her successor Empress as "Barca".[citation needed] Treatgold has suggested this was the actual name of a first wife of Leo, which would mean Theodosia married Leo once he was already emperor. However the word is also the Greek word for "boat", suggesting it was only a derisive nickname for Theodosia.[1]