What's in a name? Plenty if you're Khloe Kardashian. Earlier this week, two of the reality star's former stepmothers, Jan Ashley and Ellen Kardashian, launched a smear campaign against the E! celebrity in Star magazine. They claim that the 27-year-old is NOT the biological daughter of the late Robert Kardashian. Two of the famed lawyer's former spouses told the tabloid that Kardashian told them that Khloe was not his. Khloe went on the offense via Twitter following media reports stating, "The audacity you have to mention my father's name like this! Should be ashamed of urself! I let a lot of things slide but this one is really low... YOU ARE DISGUSTING! (yes you know who YOU are)." TMZ is reporting that the entire Kardashian clan are livid over the allegations. An insider revealed, "It's totally untrue and the family is very hurt." Well, almost the whole clan. One person who's blowing off the paternity controversy is matriarch Kris Jenner. Says a source, "It's so ridiculous, it's not even worth her time." Ironically, Kardashian himself maintained that he had four biological children in his annulment from second wife and said stepmother Jan Ashley. Those four kids include Kim, Kourtney, Robert and Khloe. An even bigger question... who really kares?