_John I IBELIN ______+
                                            | (1179 - 1236)       
                       _Guy of IBELIN ______|
                      | (1220 - 1255)       |
                      |                     |_Melisende of ARSUF _
                      |                       (1177 - ....)       
 _Balian of IBELIN ___|
| (1240 - 1301)       |
|                     |                      _____________________
|                     |                     |                     
|                     |_Philippa BARLAIS ___|
|                       (1220 - ....)       |
|                                           |_____________________
|                                                                 
|
|--Guy of IBELIN 
|  (1286 - 1308)
|                                            _____________________
|                                           |                     
|                      _____________________|
|                     |                     |
|                     |                     |_____________________
|                     |                                           
|_Alice of LAMPRON ___|
                      |
                      |                      _____________________
                      |                     |                     
                      |_____________________|
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                                            |_____________________