'I can't let myself hurt them': Bruce Jenner reveals his children are 'the only ones he's concerned with' in new clip from his tell-all Diane Sawyer interview

Throughout his rumoured transition into a woman, Bruce Jenner has kept his six children and four stepchildren a top priority. 

And in a new promotional clip released on Sunday, the former Olympic athlete reaffirmed how his large brood is of the utmost importance to him, telling Diane Sawyer: 'I can't let myself hurt them. They're the only ones I'm concerned with.'

During the two-hour interview - which is scheduled to air on ABC on Friday, April 24 - the 65-year-old star is supported by his four oldest children Burt, 36, Casey, 34, Brandon, 33, and Brody, 31, who all appear in the latest snippet from the show.

'I can't let myself hurt them. They're the only ones I'm concerned with': Bruce Jenner stresses the importance of protecting his children in the newly released snippet of his tell-all interview with Diane Sawyer

It is widely reported that Bruce will speak about his rumoured transition into becoming a woman for the first time during the interview.

The new clip for his much-talked about exclusive interview with ABC's Diane sees the former Olympic gold medalist reveal: 'It made me who I am.'

A previous teaser showed Bruce telling the journalist: 'My whole life has been getting ready for this.'

Bruce Jenner talks family in promo for Diane Sawyer special

Moral support: The 65-year-old father-of-six appears alongside his four oldest children Burt, 36, Casey, 34, Brandon, 33, and Brody, 31

'It made me who I am': The former Olympian will speak about his rumoured transition into becoming a woman for the first time

Not appearing in the interview: Kim, 34, Khloe, 30, and Kourtney Kardashian, 36, as well as Kendall, 19, and Kylie Jenner, 17, are not scheduled to talk during the interview

The Olympic gold medalist has kept a low profile since being involved in a fatal car accident on February 7.

The new teaser follows another clip, that promises 'the interview, the journey, the decisions, the future.'

ABC previously revealed details of the upcoming show, which is called Bruce Jenner: The Interview: it will be a two-hour programme with Sawyer, and would be 'far-ranging and exclusive'.

Bruce Jenner's first words from Diane Sawyer special revealed

Tell-all: Bruce will allegedly open up about a broad range of topics including his fatal crash in Malibu on February 7