Baldwin of Antioch (died September 17, 1176) was a Frankish knight and general in service of the Byzantine Empire during the Byzantine–Seljuk Wars. He was the only son of Raynald of Châtillon and Constance, the Queen Regent of Antioch, and brother-in-law of Byzantine Emperor Manuel I Komnenos. An ally of the Emperor in his battles against the Seljuk Turks, Baldwin was one of his most trusted advisors and the only one of Manuel's senior commanders "of Western origin". In Byzantium: The Decline and Fall (1996), English historian John Julius Norwich described the aftermath of Baldwin's death;