Sean William Maynard was 10 pounds and 14 ounces, but when Abigail Rose Maynard was born, she outweighed her brother with 12 pounds, 3 ounces.
Together, the twins tipped the scales at 23 pounds, 1 ounce.
The heaviest twins on record in the country were born in Arkansas in 1927. They weighed a total of 27 pounds, 12 ounces.