Instead of accompanying her sisters Anne, Katherine and Elizabeth to The Hague, Barbara remained in England to join Anne's household, attracting the companionship of Sarah Churchill, Duchess of Marlborough, and invoking a sense of jealousy and rage within their royal mistress, Queen Anne. Naturally ambitious like the rest of _her_ family, Barbara mixed scintillating wit with devious deception in order to promote dissatisfaction against the Churchills, who came to abhor the reign of William III and Mary II (1689--1702). <sep>, Pronoun: her