The first born of Lightwood family. Alec becomes Jace's parabatai. Alec is a sibling to Isabelle Lighwood and one other brother. He has a quiet character. He is rarely speaking and very serious. He rarely acts as the main attacker in a combat but performs as a back up for Jace. He is very close with Jace and it grows that he falls in love with Jace. He shows disapproval about Clary's presence in the group because he is jealous that Jace cares about Clary. He almost dies in the combat when they retrieve the Mortal Cup from the witch. Dorothea. He is dying and saved by Magnus Bane the great warlock.