Whakakihia te rerenga e whai ake nei: I whanau a Lord Iveagh (e mohiotia whanuitia ana ko Benjamin Iveagh) ki te whanau Anglo-Irish Guinness, he tama na Arthur Onslow Edward Guinness, Viscount Elveden, me Lady Elizabeth Cecilia Hare, tamahine a Richard Hare, 4th Earl o Listowel. Ko tana papa, ko te Kaituku Elveden, he Pire i te 55th (Suffolk me Norfolk Yeomanry) Anti-Tank Regiment o te Royal Artillery, a i mate ia i te mahi na te rocket V-2 i a ia e mahi ana i roto i
Belgium i te 8 o Hui-tanguru 1945. I te tau 1947, ka marenatia tana whaea ki a Edward Rory More O'Ferrall.