#Maria (c.1154-1208/1217), married firstly to Amalric I of Jerusalem; from this marriage she had a daughter, the future Isabella I of Jerusalem and then married secondly to Balian of Ibelin, amongst the children produced from this marriage was John of Ibelin, the Old Lord of Beirut
John of Ibelin, the Old Lord of Beirut (1179–1236), constable of Jerusalem, regent of the kingdoms of Jerusalem and Cyprus, opponent of Frederick II, Holy Roman Emperor
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John II of Beirut (died 1264), grandson of the "Old Lord of Beirut"
The half-brother of her mother, John of Ibelin, the Old Lord of Beirut, acted as regent on behalf of Maria, wisely and to the satisfaction of the inhabitants of the kingdoms.
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Guy of Ibelin, constable of Cyprus (c. 1215–1255), marshal and constable of Cyprus, son of John of Ibelin, old Lord of Beirut