Chaucer's Booh of the Duchess opens, as is generally agreed, with five lines rather closely translated from Froissart's Paradys d'Amours. Froissart, however, was himself imitating a passage from Guillaume de Machaut's Fontaine Amoureuse, and Chaucer, who knew both works, utilized the Fontaine, along with Ovid, for the tale of Ceyx and Alcyone, which occupies most of his Proem. Yet, in the midst of this story, he darted back to the Paradys for a moment to pick up the strange name Fclympasteyr, and, near the end of the Proem, the influence of Froissart is again visible in a few details. One of these is amusing. Froissart prayed not only to Morpheus, but to Juno and Oleus:
Car tant priai a Morpheus,
A Juno et a Oleus—(15-16).