_Ptolemy I Soter PTOLEMY ____+
                                                                    |                             
                                  _Ptolemy II Philadelphus PTOLEMY _|
                                 |                                  |
                                 |                                  |_Berenice I of MACEDON ______+
                                 |                                                                
 _Ptolemy III Euergetes PTOLEMY _|
|                                |
|                                |                                   _Lysimachus LYSIMACHID ______
|                                |                                  |                             
|                                |_Arsinoe I of LYSIMACHID _________|
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|                                                                   |_Nicaea of ANTIPATRID _______+
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|
|--Ptolemy IV Philopator PTOLEMY 
|  
|                                                                    _Phillip of PTOLEMY _________+
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|                                 _Magas of PTOLEMY ________________|
|                                |                                  |
|                                |                                  |_Berenice I of MACEDON ______+
|                                |                                                                
|_Berenice II of PTOLEMY ________|
                                 |
                                 |                                   _Antiochus I Soter SELEUCID _+
                                 |                                  |                             
                                 |_Apama II of SELEUCID ____________|
                                                                    |
                                                                    |_Stratonice of ANTIGONID ____+