_Raymond POITIERS ________+
                                                  | (1099 - 1149)            
                          _Bohemond III POITIERS _|
                         | (1148 - 1201)          |
                         |                        |_Constance of HAUTEVILLE _
                         |                          (1128 - 1163)            
 _Bohemond IV POITIERS __|
|                        |
|                        |                         _John Doukas KOMNENOS ____+
|                        |                        | (1126 - 1176) m 1146     
|                        |_Theodora of KOMNENOS __|
|                                                 |
|                                                 |_Unknown of TARONITES ____
|                                                    m 1146                  
|
|--Henry POITIERS 
|  (1198 - 1276)
|                                                  __________________________
|                                                 |                          
|                         ________________________|
|                        |                        |
|                        |                        |__________________________
|                        |                                                   
|_Plaisance of EMBRIACO _|
                         |
                         |                         __________________________
                         |                        |                          
                         |________________________|
                                                  |
                                                  |__________________________