Some of Bruce Jenner's Kids Didn't Know About Transition Plans

While Bruce Jenner‘s transition to a woman has been confirmed, it may have come as a shock to some members of the family.

According to People, not all of the 65-year-old former Olympian’s kids knew about it until recently.

PHOTOS: Check out the latest pics of Bruce Jenner

“There was a lot they didn’t know about their dad,” a source told the mag.

Still, they are all being supportive, including ex-wife Kris Jenner.

“The number one thing is they all support Bruce,” the source said. “Kris has been great and anything that says the opposite just isn’t true. It’s really a hard adjustment for her and a shock but she 100% supports him – the whole family does.”

Click through the gallery below for photos of Bruce Jenner over the last few months…