Caitlyn Jenner felt "hurt" because her family didn't show their support for 'I Am Cait'.
The former Olympian's new E! series - about her life after transitioning into a woman - premiered on Sunday (26.07.15) and the only close relative to write about the show on social media was Caitlyn's daughter, Kylie Jenner.
A source revealed: "Caitlyn was really hurt last night. She was really bothered by the fact that her family didn't show their support online on their Twitter or Instagram accounts like they do for Keeping up with the Kardashians, or for their own projects."
Caitlyn's 17-year-old daughter tweeted: Who's been watching I am Cait (sic)?"
However, 65-year-old's children - Kendall Jenner, Brody Jenner, Casey Jenner, Burt Jenner and Brandon Jenner - didn't share their thoughts of the show, which made Caitlyn feel "unfairly treated" because they "wouldn't even take the time to post a simple message".
The source told RadarOnline: "Caitlyn felt unfairly treated because so many of her kids or family members wouldn't even take the time to post a simple message on their social media accounts this weekend."