_Walter STEWART _____+
                                            | (1180 - 1246)       
                       _Alexander STEWART __|
                      | (1210 - 1282)       |
                      |                     |_Bethoc of ANGUS ____+
                      |                                           
 _John STEWART _______|
| (.... - 1298)       |
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|                                           |
|                                           |_____________________
|                                                                 
|
|--Alan STEWART 
|  (.... - 1333)
|                                            _____________________
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|                      _____________________|
|                     |                     |
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|_____________________|
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                      |_____________________|
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