Margaret Ernestine O'Brien (died 1968) (d. 1968) Parents Edward William O'Brien Julia Mary Marshall Children Murrough Vere O'Brien Turlogh Robert Vere O'Brien Elinor Vere O'Brien Siblings Edward Conor Marshall O'Brien Katharine Jenny O'Brien Lucy Mary O'Brien Ellen Lucy O'Brien Aubrey Ulick Marshall O'Brien Dermod O'Brien Partners Hugh Murrough Vere O'Brien