Firlefanz, 
#WritersCoffeeClub 1: OMG! What happened to your MC's parents?
Sun has no idea. He never got to know his parents.
It is possible they were other Winds and Pillars, and that would mean they are long dead by now.
Life is not good for people with magical powers in the Holy Empire...
Sun Burns, Pillars of the Empire 3
(WiP - I really need to finish this!)