Four or more generations of descendants of Joseph Harrison (1860-1942) if they are properly linked:
1. Joseph Harrison (1860-1942)
- 2. John Thomas Harrison (1880-aft1942)
- 2. Phoebe Ann Harrison (1883-?)
- 2. Grace Harrison (1886-1972)
- 3. Sarah J. Campbell (1906-?)
- 3. Alexander Campbell (1908-?)
- 3. Mary E. Campbell (1909-?)
- 3. Hugh Campbell, Jr. (1915-?)
- 3. Joseph Campbell (1917-?)
- 3. John T. Campbell (1922-?)
- 3. Harold Campbell (1926-?)
- 2. Thomas Harrison (1886-?)
- 2. Elizabeth Harrison (1888-?)
- 2. Helen Harrison (1892-?)
- 2. Sarah E. Harrison (1892-1977)
- 3. William H. Nelson (1912-1969)
- 2. Madeline Harrison (1894-?)
- 2. Mary Jane Harrison (1894-?)
- 3. Ralph Miller (1916-?)
- 3. Mary L. Miller (1919-?)
- 2. Joseph Harrison, Jr. (1895-1963)
- 3. William Harrison (1916-?)
- 3. Joseph Harrison III (1917-?)
- 3. Donal Harrison (1919-?)
- 2. James Harrison (1897-1973)
- 2. Isabel Harrison (1899-1990)
- 2. Margaret Harrison (1909-?)