Julia Coster (died 1874) (1829–1874) Parents James Coster Children Ida Beatrice McMahon Lionel Westropp McMahon Arthur Beresford McMahon Sir Kellerman Eyre McMahon, 6th Bt. Hamilton Hamilton McMahon Maude Geraldine McMahon Bernard William Lynedoch McMahon Helena Constance McMahon Ethel Selina Julia McMahon Vivian Massey McMahon Emily Anne McMahon Partners Joseph Davies William McMahon