Youngest great-great-great-great grandmother
- Who
- Augusta Bunge
- What
- 109:100 year(s):day(s)
- Where
- United Kingdom
- When
- 21 January 1989
On 21 January 1989, Augusta Bunge, née Pagel (USA, b. 13 Oct 1879; d. 18 May 1989), learned that she had become a great-great-great-great-grandmother at the age of 109 years 100 days, when her great-great-great-granddaughter gave birth to a son, Christopher John Bollig.