Okay!
I was trying to draw something else, but this is what I ended up with.
Based off of @telemna-hyelle's amazing design for Robin (Sky's Mama) from my The Ties That Bind AU, and some messing around with a combination of the FD official appearance and that of the First Hero, I now have a (tentative) design for Sky's parents!
This would be the when they were still rather young, but I quite like it! Sky got more from his mama's side (her thick lashes, rounder face and wide lips) but there's a bit of Dei in him too (eye shape, strong chin and stiffer ears). Also, he got his strong shoulders, thick brows and fabulous hair from the both of them!
(Honestly, if Sky grew his hair out he would be too fabulous for this world)
Apologies for the quality of the sketch! I'm starting a new sketchbook and the paper quality leaves something to be desired. Unfortunately, my last sketchbook is nearly filled up, so this might be the only sort of paper I have available until I can get to a store.