Bono has revealed that he has a half-brother from his father's extramarital affair, something he didn't learn until he was an adult.
The star opened up about his difficult relationship with his father and coming to terms with his mother's death in an interview for BBC Radio's Desert Island Discs.
His father's affair produced "another brother whom I love and adore that I didn’t know I didn’t have — or maybe I did.”
Read more: U2 star Bono enjoys night out with the family at Harry Styles gig in Dublin
The 62-year-old explained that his late dad's affair with a "gorgeous woman" was kept a compete secret.
He said: "Nobody knew.
"“My father was obviously going through a lot. But partly his head was elsewhere because his heart was elsewhere. So I think that was part of the problem I was probably picking up as a kid.
“It’s a very close family, and I could tell that my father had a deep friendship with this gorgeous woman who was part of the family and then they had a child, and this was all kept secret.”
Bono said that his family had lots of fights after his mam died from a brain aneurysm.
He apologised to his father in a chapel in France following his death.
He said: "There was nobody there. I lit a candle and I got on my knees and I just said, ‘Look, I’m sorry I wasn’t there for you. You went through a lot, and please forgive me.’ And I felt free.”
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