Charles Lethbridge Kingsford, 1911 Encyclopædia Britannica, Volume 24… (1911)
“ After Edward’s death she was mistress to Thomas Grey, marquess of Dorset, son of Elizabeth Woodville by her first husband. She also had relations with William Hastings, and may perhaps have been the intermediary between him and the Woodvilles. At all events she had political importance enough to incur the hostility of Richard of Gloucester, afterwards King Richard III., who accused her of having practised sorcery against him in collusion with the queen and Hastings. Richard had her put to public penance, but the people pitied her for her loveliness and womanly patience ”
