Four or more generations of descendants of Grace Harrison (1886-1972) if they are properly linked:
1. Grace Harrison (1886-1972)
- 2. Sarah J. Campbell (1906-?)
- 2. Alexander Campbell (1908-?)
- 2. Mary E. Campbell (1909-?)
- 2. Hugh Campbell, Jr. (1915-?)
- 2. Joseph Campbell (1917-?)
- 2. John T. Campbell (1922-?)
- 2. Harold Campbell (1926-?)