Elizabeth Lucy
Misnamed possible mistress of King Edward IV of England / From Wikipedia, the free encyclopedia
Elizabeth Lucy, also known as Lady Lucy, Lady Elizabeth, and Elizabeth Wayte, daughter of Thomas Wayte of Hamptonshire, (born ca. 1445) was the possible mistress of King Edward IV of England, and possible mother of several children by him, including Arthur Plantagenet, 1st Viscount Lisle. Arthur was known in his youth as Arthur Wayte. He was elevated to the title, Viscount Lisle, by Henry Tudor (Henry VII).
(Sources: George Buc, Master of the Revels, Dr. John Ashdown-Hill)