________________________
                                            |                        
                       _David ALEXANDER ____|
                      |                     |
                      |                     |________________________
                      |                                              
 _James ALEXANDER ____|
| (1691 - 1756) m 1721|
|                     |                      ________________________
|                     |                     |                        
|                     |_____________________|
|                                           |
|                                           |________________________
|                                                                    
|
|--William ALEXANDER 
|  (1726 - 1783)
|                                            ________________________
|                                           |                        
|                      _John SPRATT ________|
|                     |                     |
|                     |                     |________________________
|                     |                                              
|_Mary SPRATT ________|
  (1693 - 1760) m 1721|
                      |                      _Johannes I of PEYSTER _
                      |                     | (1600 - 1685) m 1651   
                      |_Maria of PEYSTER ___|
                        (1659 - 1700)       |
                                            |_Cornelia LUBBERTS _____
                                               m 1651