Four or more generations of descendants of Martha Louisa Jane Caldwell (1878-1965) if they are properly linked:
1. Martha Louisa Jane Caldwell (1878-1965)
- 2. Arthur Clarke (aft1899-1902)
- 2. Una Alma Grace Clarke (1900-1973)
- 2. Ruby M E Clarke (1902-?)
- 2. Eric T T Clarke (1903-?)
- 2. Leo D R Clarke (1906-?)
- 2. Harold David Elmo Clarke (1908-1976)
- 2. Horace Robert George Clarke (1911-1968)