Kate's brother and sister-in-law spoke to RadarOnline.com exclusively divulging that Kate "told Jon their relationship is over and they should begin dating others." The mother of 8 also whipped up a contract that outlined the terms and conditions of their broken marriage. Jon is allowed to have girlfriends and do his own thing provided that it doesn't interfere with filming. Keywords: affair, celebrity gossip, cheating, Dating, divorce, infidelity, Jon & Kate Plus 8, Jon and Kate Gosselin, Jon and Kate Plus 8, Jon Gosselin, Kate Gosselin, marriage, open marriage, reality television, TLC Boo