- Who
- Sarah Knauss, Kathryn Knauss Sullivan
- What
- 215 year(s):day(s)
- Where
- United States ()
- When
The highest combined age for a parent and child alive at the same time is 215 years in the case of 119-year-old Sarah Knauss (USA, 1880–1999) and her 96-year-old daughter Kathryn "Kitty" Knauss Sullivan (USA, 1903–2005).