Question: who is jason related to on pretty little liars?
Answer: Drew Van Acker (born April 2, 1986) is an American actor. He is known for playing Jason DiLaurentis, the older brother of Alison DiLaurentis (Sasha Pieterse), on Freeform's Pretty Little Liars (2010–2017) and Ian Archer in Cartoon Network's Tower Prep (2010).