Son of Jiang Yanli and Jin Zixuan, which makes him the only living legitimate grandson of the direct Jin line. Thus, he has the iconic Jin family vermilion mark on his forehead. He is handsome in a sharp way.
Because of his personality, he's often called da xiao jie or Missy, but is otherwise good-natured. Doesn't have many friends of his age. Because of his parents' death at the hands of the Ghost General, Jin Ling hates Wei Wuxian and anyone who practices the Dark Arts.
Has a dog named Fairy, given to him by Jin Guangyao.