| Edward Cecil Guinness * of Iveagh | Adelaide Maria Guinness | William Hillier Onslow * of Onslow | Florence Coulston Gardner |
| Rupert Edward Cecil Lee Guinness * of Iveagh | Gwendolen Florence Mary Onslow | ||
| Arthur Onslow Edward Viscount Guiness * Elveden*5.5.1912, +8.2.1945 |