Born in the Dragonspire, his father was the spymaster for King Aeramor Dragomyr, which landed him quarters within the Dragonspire growing up. Of Drakonian descent, Maerys fits in with the Dragomyr's court well, being trained by the court's martial instructor, eventually coming to join him. After he was granted Knighthood, Maerys Trevelyn would serve in the Dragonspire as another instructor, charged with martial training for many sons of the court nobles.