John of Arsuf Constable of Jeruslaem (d. 1258) Parents Melisende of Arsuf John of Ibelin, the Old Lord of Beirut Children Balian of Arsuf Siblings Guy of Ibelin, constable of Cyprus Hugh of Ibelin Balian of Beirut Raoul of Ibelin Baldwin of Ibelin, Seneschal of Cyprus Isabel of Ibelin Partners Alix of Cayphas