_________________________
                                                                 |                         
                                     _Martin VAN ALSTYNE ________|
                                    | (1591 - 1650)              |
                                    |                            |_________________________
                                    |                                                      
 _Jan de Wevr Martense VAN ALSTYNE _|
| (1623 - 1698) m 1646              |
|                                   |                             _________________________
|                                   |                            |                         
|                                   |____________________________|
|                                                                |
|                                                                |_________________________
|                                                                                          
|
|--Herman VAN ALSTYNE 
|  (1648 - ....)
|                                                                 _Harmen Peter BOERTGENS _
|                                                                | (1570 - ....)           
|                                    _Harmen Harmense BOERTGENS _|
|                                   | (1599 - 1680)              |
|                                   |                            |_________________________
|                                   |                                                      
|_Dirckje Harmense BOERTGENS _______|
  (1623 - 1682) m 1646              |
                                    |                             _________________________
                                    |                            |                         
                                    |____________________________|
                                                                 |
                                                                 |_________________________