: When the truth of Yde's biological sex is threatened, an angel descends and physically transforms Yde into a man, allowing the marriage to Olive to continue as a sanctioned union.

This 13th-century French chanson de geste is frequently studied by medievalists and gender scholars for its early depiction of gender transition.

In contemporary literature, the name "Olive" is associated with creators who explore these themes:

One of the most notable "interesting articles" or texts on this subject is: