_Alexander STEWART __+
                                            |                     
                       _William STEWART ____|
                      | (1356 - ....)       |
                      |                     |_____________________
                      |                                           
 _John STEWART _______|
| (1366 - 1420) m 1396|
|                     |                      _____________________
|                     |                     |                     
|                     |_Isabel STEWART _____|
|                                           |
|                                           |_____________________
|                                                                 
|
|--William STEWART 
|  (1396 - 1479)
|                                            _Walter STEWART _____+
|                                           | (1316 - 1365)       
|                      _Walter STEWART _____|
|                     | (1345 - ....)       |
|                     |                     |_____________________
|                     |                                           
|_Marion STEWART _____|
  (1384 - ....) m 1396|
                      |                      _____________________
                      |                     |                     
                      |_____________________|
                                            |
                                            |_____________________