Sounds like Hugh was mixed in with Fae and/or Dryads. Using Glamouring to correct the injured starlets face. Seems he wanted to go back to himself but couldn't because of them. Getting you pregnant would give that group a female offering to some moon Goddess - hence the moongate. Burning it and the house down could have been his only way out from them. You could be that child! Dig into it more for answers. Your mom knows more family secrets!