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Sisters Have Sons Who Are Both Brothers And Cousins

Jess Hardiman

| Last updated 

Sisters Have Sons Who Are Both Brothers And Cousins

Two sisters are baffling the internet after revealing they have sons who are not only cousins, but also brothers. Yep, I’m confused too. 


Brittany and Briana Salyers are twin sisters who just so happen to be married to twin brothers Josh and Jeremy. 

After getting wed in 2018, the respective couples have also gone on to each have a son – the eldest being little Jett, who arrived at the beginning of 2021, the other being Jax, who was born just a few months later in April. 

Credit: Instagram/@salyerstwins
Credit: Instagram/@salyerstwins

You’d probably be forgiven for not being able to work out the relation that Jett and Jax are to one another, given that they share more genes than the average pair of cousins. 

And now the boys’ mothers have broken it down for us, having shared a photo on Instagram, writing: “Jett and Jax: Cousins, Genetic Brothers, and Quaternary Twins!” 

Quaternary multiples is the term used to describe the offspring of couples made up of two sets of identical twins.

But even with the explanation, many people still couldn’t quite wrap their heads around the unusual family tree. 

“Does this mean that they have identical DNA?” one asked. 

Another commented: “How are they genetic brothers exactly?” 

A third then replied: “Their mothers and fathers are identical twins. Both sets of parents then had kids. Same exact DNA created both. Make sense?” 

Others stepped in to try and explain the situation, with one saying: “Identical twins share the same DNA and both sets of parents are identical.” 

Another added: “If this family took an ancestry DNA Test it would show these babies as siblings, not cousins!” 

Credit: Instagram/@salyerstwins
Credit: Instagram/@salyerstwins

The couples tied the knot back in August 2018, going all out with a 'Twice Upon a Time' joint ceremony at the 2018 Twins Days Festival in Twinsburg, Ohio.

The quartet had previously admitted they were looking to get pregnant at the same time in TLC documentary Our Twinsane Wedding.

Jeremy said: "We want to have twins, and we want them to be born on the same day... We'll be raising our families together as well. That's something we're all on the same page about too."

And while their respective relationships may seem fairly unorthodox to most, they've have said in the past there is a line - explaining that there's no partner swapping between the siblings

When asked by Fox News to identify the strangest question they get asked, Jeremy said: "We get a lot of questions about our living situation, [we get] mostly positive responses when people find out about it. We don't mind talking about it at all."

Briana added: "I would add that we totally know we are eccentric, socially eccentric.

"I would say that the one that we get a lot [is that] people always ask if we switch partners - I hope we have explained ourselves that we do not!"

Featured Image Credit: Instagram/@salyerstwins

Topics: US News

Jess Hardiman
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