What happened is that Justin/e is his on the screen is the same as his mothers and his name is Justine on it and that the last name is different then his mom's maiden name and he noticed that where he had his backpack had been sitting is now a purse. When they opened it they found a drivers license and the address on it was 3 houses down. It was when he put the stuff back in the purse that he found he was wearing a wedding ring. Justine decided to check one other thing on the other site that had there family history. He went to the site and put in his grandparents name and when it came up Justine sees that where his mom had been an only child now it says that Justine is his mom twin sister.
Where it also said that his mom had 3 kids: 1 girl and 1 boy, When he looked at his info on that site it said Justine has kids also. Justine goes back to the purse he opens the wallet that was in there and sees some photos of some kids. He also finds in the purse a ?