James V                                                   
                     King of Scots 1513-1542                                   
                     1512-1542                                                 
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                     Robert Stewart                                            
                     Earl of Orkney                                            
                     1533-1593                                                 
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                     Mary Stewart                                              
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                     William Sinclair                                          
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                     James Sinclair                                            
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                     Robert Sinclair                                           
                     1660-1704                                                 
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                     Anna Sinclair                                             
                     1691-1743                                                 
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                     Marie Aimee Crommelin                                     
                     1709-                                                     
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                     Mary Myer                                                 
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                     Mary Ann Bowers                                           
                     1773-1842                                                 
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                     James Duane                                               
                     1794-1860                                                 
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                     Marianna Duane                                            
                     1822-1890                                                 
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                     Commander Robert Traill Spence Lowell Jr.                 
                     1860-1887                                                 
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                     Robert Traill Spence Lowell III                           
                     1887-1950                                                 
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                     Robert Traill Spence Lowell IV                            
                     1917-1977