Kris Jenner Sister: Kardashian Matriarch Ashamed of Little Sister; Did Lamar Odom Reveal Family Secret in Tell-All Book?

Lamar Odom had reportedly threatened Khloe Kardashian and her entire family by hinting that he was going to reveal all their dark family secrets. According to Radar Online, the athlete is considering writing a Kardashian tell-all that would expose the entire family.

Has the athlete spilled his first secret? According to Radar, Kris Jenner has a sister that she has pretty much disowned because she doesn't approve of the type of guys she dates. According to the gossip site, Karen Houghton, has a track record of dating guys with drug problems and criminal records.

"Kris is so over the top when it comes to being image-conscious," the source said. "And while Karen [Houghton] is a totally down-to-earth sweetheart, she certainly doesn't come close to meeting the lam standards that Kris likes to publicly project for her family. That's also more than likely why you never see Karen on any of the family TV shows."

Houghton, 54, was in a six-year relationship with Mark Zettel but it ended in 2002. A couple years later she asked the San Diego County Superior Court for an order of protection against him. She said he was "on crystal meth, psychiatric drugs, bipolar meds" and she feared for her and her daughter's safety.

Not long after filing the restraining order she filed a second one against ex-boyfriend, Seth Edward Thorton, who she said also had a serious drug problem. Both men also have significant track records.

The book Odom is reportedly hard at work on is rumored to include who his wife's real father is and how her sister, Kim Kardashian really feels about her boyfriend Kanye West, Radar reports.

"Lamar could also expose what Kim's done for money, who's she slept with and the awful things she's said about Kanye West, like how he smells bad in bed and how she's not attracted to him," the source said. "He blames Khloe's family for all the recent public drama. He believes Kris Jenner and the Kardashians planted all the bad stories about him to make him look like a monster."

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