___________________________
                                                                 |                           
                                   _William II VENTIMIGLIA ______|
                                  |                              |
                                  |                              |___________________________
                                  |                                                          
 _Guglielmo Pietro I VENTIMIGLIA _|
| (1230 - 1283)                   |
|                                 |                               ___________________________
|                                 |                              |                           
|                                 |______________________________|
|                                                                |
|                                                                |___________________________
|                                                                                            
|
|--Lucrezia of LASCARIS-DI-VENTIMIGLIA 
|  (1264 - 1314)
|                                                                 _John III Doukas VATATZES _+
|                                                                | (1192 - 1254)             
|                                  _Theodore II Doukas LASKARIS _|
|                                 | (1222 - 1258)                |
|                                 |                              |_Irene LASKARIS ___________+
|                                 |                                (1194 - 1240)             
|_Eudoxia LASKARIS _______________|
  (1245 - 1309)                   |
                                  |                               _Ivan II ASEN _____________+
                                  |                              | (1190 - 1241)             
                                  |_Elena of ASEN _______________|
                                    (1224 - 1251)                |
                                                                 |_Anna Maria of ÁRPÁD ____+
                                                                   (1204 - 1237)