_Bohemond III POITIERS _+
                                                | (1148 - 1201)          
                        _Bohemond IV POITIERS __|
                       |                        |
                       |                        |_Theodora of KOMNENOS __+
                       |                                                 
 _Bohemond V POITIERS _|
| (1199 - 1251)        |
|                      |                         ________________________
|                      |                        |                        
|                      |_Plaisance of EMBRIACO _|
|                                               |
|                                               |________________________
|                                                                        
|
|--Plaisance of POITIERS 
|  (1235 - 0022)
|                                                ________________________
|                                               |                        
|                       ________________________|
|                      |                        |
|                      |                        |________________________
|                      |                                                 
|_Lucia of SEGNI ______|
                       |
                       |                         ________________________
                       |                        |                        
                       |________________________|
                                                |
                                                |________________________