People and age
Max Lightwood- youngest Lightwood is 7
Samuel and Evan- 10 mounths younger than the triplets- 15
Quinn and the glee club except for Tina and Artie and who eve release that's in a lower grade, Mel- are 16
Isabel Lightwood, Cobie Dylan's (Quinn's new boyfriend)- 17
Jace, clary, Simone- ( even though clary repeats) - 18
Alec and Magnus, Daniel (Quinn's older sibling) are -21
Frannie- 29
Valentine- 30
Stephan and Celine- 37 ( they had Daniel at sixteen)
Robert and Maryse- 40
Judy and Russell-56