Fans of 'Keeping Up With the Kardashians' are well aware Bruce Jenner is dad to Brandon and Brody — but the former Olympian actually has THREE sons.

And in a new interview, 36-year-old Burt Jenner gets candid about why he decided to stay out of the spotlight.

“The Kardashian world is not where I come from,” he told 'Dirty Radio Live.'

bruce and burt jenner, instagram

Bruce and Burt in November 2014.

But that's not the most shocking piece of information he shared, as he also revealed he's been homeless twice in his life — a far cry from the lavish lives of the 'KUWTK' clan.

“I slept in my Bronco. I lived out of my Bronco a couple of times,” Burt said.

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Burt, whose mom is Bruce's first ex-wife Chrystie Crownover, admitted his relationship with his father drastically changed once Kris Jenner came into the picture in 1991.

“My dad took me to the go-cart tracks when I was 8-years-old. He got married to Kris, and that was kind of it,” shared the eldest Jenner kid, who did not mention anything about his dad's alleged transition.

Listen to the full interview below!