[1] He was the youngest of the four sons of Prince Bohemond IV of Antioch and his first wife, Plaisance Embriaco.
[4] He reconciled with the Ibelins in order to resist the ambitions of Emperor Frederick II,[3] who attempted to assert his authority over the Crusader states.
She and Henry arrived in Acre, the capital of what had remained of the mainland kingdom, to assume the reins of government shortly after Baibars attacked.
This appointment was resented, possibly because coming from the ruling family of Antioch made Henry appear as an outsider.
[10] Henry died in a shipwreck on 27 June 1276 when the taride carrying him from Acre to Cyprus hit a rock.