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Hugh I of Jerusalem (Hugh III of Cyprus) (died 1284), was the son of Isabella of Cyprus (daughter of Hugh I of Cyprus) and Henry of Antioch. He became King of Jerusalem on the execution of Conradin in 1268. His claim to the throne of Jerusalem was challenged by Charles of Anjou.
He was married to Isabella of Ibelin. He had six children:
| Preceded by: Hugh II | King of Cyprus | Succeeded by: John I/II |
| Conradin | King of Jerusalem |