Soyon is Erin's mother in the The Beast Player franchise.
Soyon is Erin's mother. She was a member of the People of the Mist but left their group when she fell in love with and married Asson, the son of a local village chief. Asson died before Erin's birth but her mother chose to stay at the village as a Touda veterinarian.
During a freak accident, several Toudas become sick and die.