(This eventually turned into him directing the project.) He is now guarded and keeps secrets.Jason reveals to Spencer what Alison also told him about "The Jenna Thing," specifically her revision in which Spencer was behind everything, including being the one to throw the stink bomb, which exploded and burned down the Cavanaugh's garage and severely injured Jenna Marshall. She asks if he believes his sister's story but he does not reply which causes her to tell him that he's just like Alison.Peter Hastings (Biological father) Jessica Di Laurentis (Mother; deceased) Kenneth Di Laurentis (Legal Father) Veronica Hastings (Step-Mother) Charlotte Di Laurentis (Cousin) Melissa Hastings (Paternal Half-Sister) Spencer Hastings (Paternal Half-Sister) Alison Di Laurentis (Maternal Half-Sister) Taylor Thomas (Niece; deceased) Grandma D (Adoptive Paternal Grandmother; deceased) Carol Ward (Maternal Great Aunt; deceased) Mary Drake (Aunt) - Used to get high on drugs (exposed) - Thought he may have killed Alison (exposed to Aria) - Unknowingly kissed his half-sister Melissa and his cousin Charlotte Di Laurentis (exposed) - Kissed Aria Montgomery (exposed to Ezra, Spencer and Emily) - Used to spy on two of his half-sisters and their friends for the N. He was portrayed by Parker Bagley in Season 1, and by Drew Van Acker thereafter. Club (exposed) - Had a drug relapse (exposed to Jessica, Peter and Spencer) - Lied about going to rehab (exposed to Spencer) - Had a one night stand with Ashley (exposed) Jason Di Laurentis is the older half-brother of Alison Di Laurentis, Spencer Hastings, and younger half-brother of Melissa Hastings and maternal cousin of Charlotte Di Laurentis.Jason came back to Rosewood with a new clean cut look that surprised most of the girls.His purpose in returning to Rosewood was to help organize Alison's memorial.Jason later reveals that he was always jealous of Alison, and had felt that his parents thought they "lost the wrong kid".
She broke up with him the day after Alison's body was found which he took hard and resented her for it.He later takes a great interest in Aria, until she turns him down because she's already in a relationship with Ezra Fitz.