Closer in relation than cousins
Another Instagram user said, “So cute. They resemble one another but are not yet mistaken for twins because of the older siblings age difference. I have no doubt that they will once they are both older, and the age gap isn’t as noticeable. The boys aren’t identical twins, but they share a lot of DNA with one another and could end up looking very similar to one another.
An Exhaustive Analysis
In an effort to clear up any remaining confusion, the sisters gave an interview to NBC News. “You’ve heard the term Irish twins, and you’ve heard identical twins and fraternal twins,” Briana said. Yes, but they’re quaternary twins. In addition, Brittany said, “They were born to identical twin parents fewer than nine months apart. Babies are born to a set of identical twins who are also expecting twins.