Four or more generations of descendants of Robert Alphonso Taft (1889-1953) if they are properly linked:
1. Robert Alphonso Taft (1889-1953)
- 2. William Howard Taft (1915-1991)
- 2. Robert Alphonso Taft (1917-1993)
- 2. Lloyd Bowers Taft (1923-1985)
- 2. Horace Dwight Taft (1925-1983)