Margaret St. John (born 1887) (b. 1887) Parents Beauchamp St John, 17th Baron St John of Bletso Helen Charlotte Thornton Children Siblings Helen Mary St. John Henry St John, 18th Baron St John of Bletso Rowland Tudor St. John Barbara Ethel St. John Alice Gertrude St. John Emily Caroline Emma St. John Charles Paulet St. John Mabel Eleanor St. John Eva St. John Moubray St John, 19th Baron St John of Bletso Edith Laura St. John