_Seleucus I Nicator SELEUCID _______+
                                                                  |                                    
                                _Antiochus I Soter SELEUCID ______|
                               |                                  |
                               |                                  |_Apama of SOGDIAN __________________
                               |                                                                       
 _Antiochus II Theos SELEUCID _|
|                              |
|                              |                                   _Demetrius I Poliorcetes ANTIGONID _+
|                              |                                  |                                    
|                              |_Stratonice of ANTIGONID _________|
|                                                                 |
|                                                                 |_Phlia of ANTIPATRID _______________+
|                                                                                                      
|
|--Antiochus SELEUCID 
|  
|                                                                  _Ptolemy I Soter PTOLEMY ___________+
|                                                                 |                                    
|                               _Ptolemy II Philadelphus PTOLEMY _|
|                              |                                  |
|                              |                                  |_Berenice I of MACEDON _____________+
|                              |                                                                       
|_Berenice Syra of PTOMELY ____|
                               |
                               |                                   _Lysimachus LYSIMACHID _____________
                               |                                  |                                    
                               |_Arsinoe I of LYSIMACHID _________|
                                                                  |
                                                                  |_Nicaea of ANTIPATRID ______________+