Arthur Onslow Edward Guinness, Viscount Elveden (1912-1945), Soldier (1912–1945) Parents Gwendolen Guinness, Countess of Iveagh Rupert Guinness, 2nd Earl of Iveagh Children Lady Elizabeth Guinness Lady Henrietta Guinness Benjamin Guinness, 3rd Earl of Iveagh Siblings Richard Guinness Lady Honor Dorothy Mary Guinness Lady Patricia Florence Susan Guinness Brigid Guinness Partners Lady Elizabeth Hare