Maryse Lightwood is a character from the popular book series The Mortal Instruments by Cassandra Clare. She is a Shadowhunter, a member of a group dedicated to protecting the world from demons and other supernatural threats. Maryse is known for her strong personality and leadership skills, often taking charge in difficult situations. Maryse is the mother of Alec and Isabelle Lightwood, two prominent characters in the series. Throughout the story, she grapples with her past decisions and the impact they have on her family. Her character development highlights themes of redemption and the complexities of family relationships.