I'm not so sure because it was in raw but he captured Glorym real father and kept him locked till the blood test ended so when the blood test ended and she wasn't his kid he bought out Glorym real father to do the blood test and it matched and than Rashta deny that she and Glorym real dad ever knew eachother before
it was never explained in detailed but there are details hinting that sovieshit also ate the cookies with navier, causing both of them to be infertile, the cookie jar was tampered by his mother so noone knows which cookie was clean or not.
same goes to the tampering of the paternity test. the author neither comfirm this two conspiracies.
Guy's Rashta kid is not the emperors lol she tries so hard to deny it than later on they bought the kids of dad to do the blood test and it is his kid,than Rashta is placed under house arrest and her advisor or whatever he is say's he'll help her escape