_Gregor II MCGREGOR _+
                                                     | (1520 - 1552)       
                         _Gregor Dubh III MACGREGOR _|
                        | (1545 - 1626) m 1575       |
                        |                            |_Isabel CAMERON _____+
                        |                              (1530 - 1586)       
 _Malcolm Og MACGREGOR _|
| (1580 - 1675)         |
|                       |                             _Thomas BUCHANAN ____+
|                       |                            | (1522 - 1590) m 1535
|                       |_Janet BUCHANAN ____________|
|                         (1555 - 1626) m 1575       |
|                                                    |_Janet DOUGLAS ______
|                                                      (1520 - 1595) m 1535
|
|--Donald Glas MACGREGOR 
|  (1630 - 1702)
|                                                     _____________________
|                                                    |                     
|                        ____________________________|
|                       |                            |
|                       |                            |_____________________
|                       |                                                  
|_Catherine MACDONALD __|
  (1606 - 1660)         |
                        |                             _____________________
                        |                            |                     
                        |____________________________|
                                                     |
                                                     |_____________________