Melydor, Mildor, Mildore, Mylder
The daughter of Earl Sere, a nobleman who went to war with Arthur’s Sir Degrevant.
She fell in love with Degrevant, and the two enjoyed a year-long affair before the earl discovered it. Melidor and her mother pressured the earl to make peace with Degrevant, and he finally acquiesced. Melidor and Degrevant married.
Source
Sir Degrevant | c. 1400