Lucius O'Brien, 15th Baron Inchiquin Irish Baron and politician (1864-1929) (1864–1929) Parents Emily Holmes à Court Edward O'Brien, 14th Baron Inchiquin Children Finola Helga Laetitia Monica O'Brien Griselda Etheldreda Clodagh O'Brien Katharine Beryl O'Brien Donough O'Brien, 16th Baron Inchiquin Phaedrig O'Brien, 17th Baron Inchiquin Fionn Myles Maryons O'Brien Siblings Murrough O'Brien Geraldine Mary O'Brien Edward O'Brien Moira O'Brien Henry Barnaby O'Brien Donough O'Brien Doreen O'Brien Eileen O'Brien Lilah O'Brien Beatrice Marconi Clare O'Brien Maud O'Brien Desmond O'Brien Partners Ethel Jane Foster
