Four or more generations of descendants of Charles Samuel Blackman (1841-1915) if they are properly linked:
1. Charles Samuel Blackman (1841-1915)
- 2. Charles N Blackman (1872-1873)
- 2. Blanche Catherine Blackman (1873-1898)
- 2. Alethea Blackman (1875-1896)
- 2. Meredith George Blackman (1876-1957)
- 2. Everard Alexander Blackman (1878-)
- 2. John Charles N Blackman (1881-1885)