Amber Herondale: Random Google Search brought me to this.
Hair- Brown w/ Blonde Highlights
Eyes- Blue w/ Gold speckles
Personality/hobbies- Strong, Independent, with Angel Blood and Demon Blood, like Clary, Johnathan, and Jace, has own gifts, can cause earth to move and, ground to crack. (Ideas were not mine I give credit to @ClaceScalia2002 's story: Alec, I love you.) All this happens when she is upset and angry. She enjoys to play the Piano and reading Dark Romance Novels.
Gender- Female
Age - 17
Parents/Siblings- Celine and Stephan Herondale. Jace Herondale and Nick Herondale
Nickname- A
Parabatai- Nick Herondale
Nikolas Herondale: IDK who this is
Hair- Brown
Eyes- Blue
Personality/hobbies- Strong, Independent, with Angel Blood, like Clary and Jace, has own gifts, can call upon the lay lines and use the power to kill demons, and whatnot. Enjoys to play the Piano.
Gender- Male
Age - 17
Parents/Siblings- Celine and Stephan Herondale. Jace Herondale and Amber Herondale
Nickname- Nick
Parabatai- Amber Herondale
Alexander Lightwood: Matt Daddario
Hair- Dark Brown, Raven Black
Eyes- Brown
Personality/hobbies- Stubborn, grumpy, follows the Clave Law/Motto:The Law is hard but it is the Law or Dura Lex Autem non est Lex. Enjoys Archery.
Gender- Male
Age- 18
Parents/siblings- Maryse and Robert Lightwood. Isabelle and Max Lightwood
Nickname- Alec
Parabatai- Jace Herondale