Four or more generations of descendants of Robert Joseph Roberts (1830-1901) if they are properly linked:
1. Robert Joseph Roberts (1830-1901)
- 2. John H Roberts (1860-1885)
- 2. Louisa Florence Roberts (1862-1946)
- 2. Albert V Roberts (1864-1897)
- 2. Rowland G Roberts (1867-?)
- 2. Laura Roberts (1869-1944)
- 3. Hilda Peirl Abbott (1887-1971)
- 3. Gertrude May Abbott (1889-1975)
- 3. William Christie Abbott (1891-1950)
- 3. Cecil Roy Ernest Abbott (1894-1984)
- 4. Marjorie Lorraine Abbott (1918-)
- 4. Alwyn Roy Abbott (1926-1985)
- 3. Florence Mildred Abbott (1899-1983)
- 3. Edward Reginald Abbott (1902-1966)
- 3. Norman Leslie B Abbott (1906-1930)
- 3. Arthur H Abbott (1910-)
- 3. Rosie May Iris Abbott (1914-2008)
- 2. Alfred Ernest Roberts (1872-?)
- 2. Clara Mildred Roberts (1875-1935)
- 2. Alice M Roberts (1879-1881)
- 2. Edgar Nelson Frederick Lovell Roberts (1881-1943)