Herbert Harcourt Vernon (1863-1943) (1863–1943) Parents Evelyn Harcourt Vernon Jane St. John-Mildmay Children Arthur Harcourt Vernon Marjorie Harcourt Vernon Humphrey Harcourt Vernon Siblings Edward Harcourt Vernon Walter Harcourt Vernon Frances Harcourt Vernon Selina Harcourt Vernon Algernon Harcourt Vernon Mary Frances Harcourt Vernon unknown daughter Harcourt Vernon Partners Mary Adelaide Allan