_Guy POITIERS-LUSIGNAN _+
                                                          | (1275 - 1308)          
                              _Hugh IV POITIERS-LUSIGNAN _|
                             | (1295 - 1359)              |
                             |                            |_Eschiva of IBELIN _____+
                             |                              (1253 - 1312)          
 _James I POITIERS-LUSIGNAN _|
| (1334 - 1398)              |
|                            |                             _Guy of IBELIN _________+
|                            |                            | (1286 - 1308) m 1303   
|                            |_Alix of IBELIN ____________|
|                              (1304 - 1386)              |
|                                                         |_Isabella of IBELIN ____+
|                                                            m 1303                
|
|--Janus POITIERS-LUSIGNAN 
|  (1375 - 1432)
|                                                          _Henry II WELF _________+
|                                                         | (1296 - 1351)          
|                             _Philip WELF _______________|
|                            | (1332 - 1369)              |
|                            |                            |_Helwig of IBELIN ______+
|                            |                              (.... - 1347)          
|_Helvis of WELF ____________|
  (1353 - 1420)              |
                             |                             _Eudes III DAMPIERRE ___+
                             |                            | (.... - 1330)          
                             |_Helisia of DAMPIERRE ______|
                               (1334 - 1368)              |
                                                          |_Isabella of LUSIGNAN __+
                                                            (1302 - 1340)