Four or more generations of descendants of Ivor Churchill Guest, 1st Viscount Wimborne (1873-1939) if they are properly linked:
1. Ivor Churchill Guest, 1st Viscount Wimborne (1873-1939)
- 2. Cynthia Edith Guest (1908-1994)
- 2. Ivor Grosvenor Guest, 2nd Viscount Wimborne (1903-1967)
- 2. Rosemary Sibell Guest (1906-1971)