Posted on Thu Dec 27, 2012 08:50 AM PDT
Christopher Federline says HE is the father of Kevin and Britney's son Sean Preston, according to a new lawsuit.
Britney's former brother-in-law, who described the X Factor mentor as a "maniac," filed the suit on December 18 seeking a restraining order against Spears.
In the papers, Christopher also claims Brit stole his credit card and racked up more than $4k in charges.
The lawsuit goes on to say that Britney "told me I have a small pe***, she also blackmailed me and told me if I tell the police that she stole my credit card that she will tell the world I'm the true father of Sean Preston, not Kevin."
A judge has since dismissed the lawsuit.
Britney and Kevin's camp have yet to issue a comment.
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