Michelle Welton is Dr. Camille Saroyan's teenage adopted daughter. Cam was once engaged to and lived with Michelle's father, Dr. Andrew Welton, a cardiac surgeon, and helped to raise Michelle. However, because Michelle's mother died in childbirth, he was never able to fully commit to their relationship and was constantly cheating. Though Cam did love him, she ended the engagement, leaving Welton and the young Michelle behind. Ten years later, in the Season 4 episode "The Doctor in the Den", his remains are found in a tiger exhibit at a zoo. Upon learning the identity of the remains, Cam takes it upon herself to inform Michelle of her father's death. Michelle claims to barely remember Cam and treats her coldly. Later in the episode, Michelle admits she remembers and she had been very deeply