Spoiler!
I hate to spoil this because, even i'd like to believe that rashta was already pregnant when sovieshu picked her up. But if you read the novel, it says that yes, the paternity test 'proves that Alan is the father and not sovieshu'. But, we also later find out Duke Ergi messes with the instrument to leave Sovieshu in doubt forever, to wonder whether Glorym was actually his daughter (to make him suffer basically). Now with Navier, although it doesn't explicitly mention that Navier is infertile, Sovieshu and Navier have been married for a very long time. So it is assumed she is infertile because of fuc**** sovieshu who gave the cookies to navier (also the cookies were prepared by sovieshu's mom for sovieshu's dad mistress, i'm pretty sure) BUT heinry's palace has a magical bed for the king and queen, which happens to heals navier (of she was ever infertile) and soon she gets pregnant with Kai and Lari! (yes, twins boys and girls). But if you ask me, I honestly think Glorym's sovieshu's daughter because the timeline adds up and also why would rashta sleep with alan right after she tells rashta their baby is dead.
