Pauline • Link
from L&M Companion entry for her husband, Sir Daniel Harvey
Elizabeth Mountagu Harvey
....Elizabeth Mountagu, daughter of the 2nd Lord Mountagu of Boughton. [Her husband's] connection with Lady Castlemaine (who took herself off to his house at Covent Garden after a quarrel with the King) was presumably through [Elizabeth], who was reputedly mistress for a while to the Duke of York....[Her husband's] uncle was the William Harvey who discovered the circulation of the blood.