11/22/2012 07:46 am ET

'The Houstons: On Our Own': Cissy Houston Doesn't Know Why Bobbi Krstina Refuses To See Her (VIDEO)

There was tension in the family on "The Houstons: On Our Own." Grandma Cissy Houston was trying to come see her grandchildren, but Bobbi Kristina was avoiding her.

"I don't know why she don't like me," Cissy said, but Bobbi Kristina explained it for the cameras. She was uncomfortable with the tell-all book Cissy had agreed to write about her daughter Whitney -- Bobbi Kristina's mother. It was an understandable concern, but she could have approached her grandmother with her fears and talked about it.

Instead, it was Bobbi Kristina's uncle who sought her out and assured her that the book wasn't going to get ugly about Whitney Houston or her life. Reports have the book set to be published in June 2013.

As for Bobbi Kristina and Cissy, they did finally spend time together, even ending the visit with a hug.

Tune in for more family drama on "The Houstons: On Our Own," Wednesdays at 9 p.m. ET on Lifetime.

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