Adam Peaty announced his shock split from Eiri Munroe on Tuesday, with his brother now saying the decision has nothing to do with his time on Strictly Come Dancing.
The Olympic swimmer, 27, released a statement on social media revealing that he "let Eiri down" and that he will always have love for his ex-girlfriend.
Now his brother James has said he is aware of the reasons for the split - and it is nothing to do with the so-called 'Strictly curse'.
James said he was not in a position to share the details, as he spoke about how his heartbroken sibling was fairing up following the relationship breakdown.
"He was in it over a year ago. It has nothing to do with Strictly," James told MailOnline. "I was surprised that it happened but sensed it was coming, but Adam’s doing OK. It’s his Gladiator mindset."
‘A lot of people will wonder why it’s happened, he has a lot of followers. I’m close to my brother, I’m with him every day, and he confides in me. I’m his support network."
James added they have been keeping Adam busy with DIY to renovate his home.
The Mirror has contacted Adam's representatives for comment.
Adam took to Instagram earlier this week to share the sad news of the couple's separation. He said their son George, who turns two next month, remained their "priority".
Adam wrote: "Eiri and I have decided to go our separate ways. We have enjoyed a wonderful three years together, 2 of those with our gorgeous son George.
"Our priority has always been to provide the happiest and healthiest home environment for him, and right now that means ending our romantic relationship.
"I could not ask for a greater mother for George and I am so grateful to Eiri for her amazing support over the last three years."
He added: "Eiri and George, I'm sorry for letting you down. My only interest is for the well-being of our family at this difficult time so I ask that our privacy is respected."
Adam ended his statement by saying he won't be making any further comments.
Eiri also took to her own Instagram to share an additional statement.
"This next chapter of my life is surely going to be a difficult one.
"I would appreciate that people would refrain from commenting, speculating, or messaging. I have shared so much of my life, but for now, I am choosing privacy and I hope that you will all respect that."
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