I like the idea that Shmi was trapped in a lab by Palpatine where he experimented on her as Pelagueius taught him how to irritate the midichlorians, it actually kind of fits, and if it was his underlying motivation to create clones of himself with that method, it would fit right in with the other novels and Dark Empire (still one of my favorite comics in the SW universe), her subsequent escape and enslavement were all part of the will of the force, they put Anakin in the correct frame of mind to be let down hard and be a perfect emo sith attack dog. His anger, pain, frustration led to him joining Palpatine, and then having resentment towards Palpatine for stripping everything from him...
So with that i have a circumstantial theory about Kylo Ren... and Snoke
Han and Leah were never really going to live happily ever after, its a nice idea for romantic fans but that didnt happen. Instead Han knocked up Leah and it ruined her political career since it was at the wrong time, so, she decided with him being gone all the time, still gambling, still pirating, still smuggling, still bar hopping, it was time to break up with Han. Han doesnt like that much, but later finds out he has a son, and the little boy wants to see his dad. Kylo decides to run away and chase his dad down and his force sensitivity allows him to brave Nar Shadda and find his dad in a seedy bar. Han is surprised his son is there and reluctantly lets him tag along.
After a series of adventures the two grow close like father and son should, but it is not to be forever. An unfortunate event happens. A group of bounty hunters are now after the aging Han, and he and his boy get separated, he loses the falcon during a drunken gambling escapade, and Kylo is presumed missing, although he himself has been captured and sold into slavery by a Hutt crime lord who is out for revenge on Solo for killing Jabba.
Kylo is bought by a very religious aristocrat, who annoys the crap out of Kylo so he runs away, and eventually joins the Knights of Ren to become its Chief warrior.
All this time Leah and Han have been trying to get over the supposed loss of Kylo only to find out their son is their worst enemy.
And this is the circumstantial evidence for saying that Snoke is actually Jabba's Cousin... Somehow Kylo has developed stockholm syndrome and would rather be hanging out with someone that wants his dad killed, and the remnant of the empire are stupid enough to follow a shadowy Hutt who claims to be a Sith and has a scary hologram of a giant Munilist. That and Snoke is a name befitting a Hutt.
Snoke turns out to be one of the few Huttese that has actually learned to speak basic, and is quite learned and intelligent, which would make him an ideal candidate for a Sith lord, but he went another direction instead, which was to use his money and power to con the remnant of the empire into rebuilding and rebranding itself as a power house with the sole purpose of getting revenge on Han. They all believe they are the empire reborn, and everyone else gets caught in the middle of this strange revenge plot.