This is primarily a literary analysis paper, comparing the structure and themes of 13/14th c French romance Yde et Olive with one of its possible inspirations, Ovid’s Iphis and Ianthe. It begins with a brief reference to other medieval French romances with cross-dressing themes (e.g., Tristan de Nanteuil, as well as an outline of the entire Huon de Bordeaux cycle of which if forms a part.