Arthur Ernest Guinness Anglo-Irish engineer; member of the Guinness family (1876-1949) (1876–1949) Parents Adelaide Maria Guinness Edward Guinness, 1st Earl of Iveagh Children Aileen Plunket Oonagh Guinness Maureen Guinness Siblings Walter Guinness, 1st Baron Moyne Rupert Guinness, 2nd Earl of Iveagh Partners Marie Russell
