Wouldnt focus so much on him being gay, Incest and gods creating weird things to fuck is a tale as old as time, basically every real world mythology has some bs like this. I mean human sexuality probably (definitely) doesnt apply to any of the demigods regardless of their physical form, theyre doing it for entirely different reasons.
I assumed the Mohg in the sewer was another Margit situation, except Mogh made a Mogh so Morgott wouldn't notice he'd gone missing. Mohg never held a throne or openly attacked the Golden Order. He hates the other traitor demigods because they held thrones and fought for more power.
Mogh wants to establish dynasty so it means that Miquela is famele, or it will be after transformation.
the first fromsoftware confirmed gay character is an incestuous pedophile, pretty accurate 1 Reply Award.