Jason Hummel, the brother of Deanna Hummel (the woman allegedly having an affair with Jon & Kate Plus 8 dad Jon Gosselin), recently revealed his sister’s dalliances to a celebrity weekly. His sister fought back on Tuesday, calling him a liar and pointing to his spotty past.

RadarOnline.com obtained records of Hummel’s various criminal charges including carrying a firearm without  a license. The other charges of possession of a controlled substance and receiving stolen property were later dropped.

Click here to read the documents.

(Photo: WireImage)