Well the SW9 trailer has revealed a lot of things,
I think that I can affirm without any doubt that Rey is God.
She truly is.
That's what the trailer, alongside with a rewatch of the previous films, have revealed to me.
If Rey is god, that means Kylo is the devil ; but in christian mythology the devil is also (one of) god's sons.
So that means that Kylo is the son of Rey.
But they are mother and son only by their souls ; Kylo's soul has been adopted by Rey, but his current body isn't biologically the son of Rey, so, he's both the son of Leia and Han, and the son of just Rey, which means he has 3 parents, but only two, but only one.
The person laughing at the end of the trailer is obviously Darth Malak mocking us for not being able to complete his event.