Wikipedia
Marfisa
Marfisa is a character in the Italian romantic epics Orlando innamorato by Matteo Maria Boiardo and Orlando Furioso by Ludovico Ariosto. She is the sister of Ruggiero but was separated from him in early childhood. She becomes queen of India and fights as a warrior for the Saracens, taking part in the siege of the fortress Albracca until her sword is stolen by Brunello. She falls in love with Ruggiero, unaware who he is until Atlantes reveals their background. Learning that her parents were Christian, she converts to the faith and joins the Emperor Charlemagne's army against the Saracens.