Four or more generations of descendants of James Gaul (c1833-1913) if they are properly linked:
1. James Gaul (c1833-1913)
- 2. Alfred William Gaul (1859-1925)
- 2. James Gaul (1861-1861)
- 2. Thomas Gaul (1863-1863)
- 2. Mary Jane Gaul (1871-1932)
- 3. Douglas Henderson (c1895)
- 3. Wallace James Henderson (1897-1978)
- 4. Robert Wallace Henderson (1922-2005)
- 5. Robyn Patricia June Henderson (-) ... (more)
- 5. Keva Lucy Henderson (-) ... (more)
- 5. Peter Anthony Henderson (-) ... (more)
- 5. Mark Henderson (-) ... (more)
- 5. Paul James Henderson (-) ... (more)
- 4. Robert Wallace Henderson (1922-2005)
- 3. Ella M Henderson (c1901)
- 3. Marjorie Henderson (c1902)
- 3. Jean F Henderson (c1907)
- 3. Jack Henderson (c1910)
- 3. Keva Henderson (c1912)
- 2. Thomas Bryce Gaul (1872-1932)
- 2. Minnie Gaul (1873-1907)
- 2. William Gaul (1875-1954)
- 2. James Macquarie Gaul (1877-1911)
- 2. Henry Lewis Gaul (1879-1962)
- 2. Ella Louise Gaul (1881-1900)
- 2. Elizabeth Francis Gaul (1883-1973)
- 2. George Douglas Gaul (1885-1978)
- 2. Walter Henry Gaul (1889-1964)