Heaviest birth - twins
- Who
- Patricia Jane Haskin and John Prosser Haskin, Jr
- What
- 12.58 kilogram(s)
- Where
- United States
- When
- 20 February 1924
The worlds heaviest twins, with an aggregate weight of 12.58 kg (27 lb 12 oz), were born to Mary Ann Haskin (USA), of Fort Smith, Arkansas, USA on 20 February 1924.
Patricia Jane Haskin weighed 5.4 kg (13 lb 12 oz) and John Prosser Haskin weighed 6.69 kg (14 lb)