Four or more generations of descendants of Richard Herman Jefferay (1886-1925) if they are properly linked:
1. Richard Herman Jefferay (1886-1925)
- 2. Thirza Ellen Maud Jefferay (1909)
- 2. Ivy May Jefferay (1910)
- 2. William Francis Jefferay (1913)
- 2. Gladys Daphne Jefferay (1914)
- 2. Richard Henry Jefferay (1916-1992)
- 2. David Charles Jefferay (1917)