 Boiardo considered Cathay to be a city, and "Cathay was a city in India inferior or Serica" according to the Mappamondo Borgiano.She comes to Charlemagne's court with her brother Argalia (who assumes the identity of a knight named Uberto dal Leòne).All the knights are smitten with her, especially the cousins Orlando (Roland) and Rinaldo (Renaud), but the protective Argalia will only allow her to marry a man who can best him in a joust.