 Langton held the prebend of Strensall in the diocese of York by 20 November 1214.He was the brother of Stephen Langton, who became Archbishop of Canterbury in 1207.A third brother Walter was a Knight, serving in the Albigensian Crusades and being captured and ransomed, and when he died childless in 1234, Simon Langton was left with the lands and his substantial debts.