Four or more generations of descendants of Elizabeth Cavanough (1844-1907) if they are properly linked:
1. Elizabeth Cavanough (1844-1907)
- 2. Albert Charles Greentree (1865-1944)
- 2. Herbert James Greentree (1866-1950)
- 2. Amelia Jane Greentree (1869-1964)
- 2. Frederick Alfred Greentree (1871-1947)
- 3. Oswald Arthur Greentree (1901-1961)
- 2. Archibald George Greentree (1874-1941)
- 2. Percy Daniel Greentree (1876-1910)
- 2. Henry Arthur Greentree (1878-1961)
- 2. Esther Ann Greentree (1880-1964)
- 2. Athol Garnet Greentree (1883-1965)
- 2. Clendon Copeland Greentree (1887-1965)
- 3. Thelma Beatrice Greentree (1911-2002)
- 3. Gordon Ernest Greentree (1912-1994)
- 3. June Olive Greentree (1932-1979)