Elizabeth St John noblewoman; (1702-1769) (1702–1769) Parents Ambrose Crowley Mary Owen Children St Andrew St John Henry St. John Ambrose St. John Barbara St John, Countess of Coventry John St John, 12th Baron St John of Bletso Siblings Lettice Cotton Sarah Parsons John Crowley Partners John St John, 11th Baron St John of Bletso