_John Wilkins MARSHALL Sr._+
                                                        | (1713 - 1771)             
                             _John Wilkins MARSHALL Jr._|
                            | (1753 - 1819) m 1778      |
                            |                           |_Hannah BALDWIN ___________
                            |                             (1719 - 1801)             
 _John Wilkins MARSHALL III_|
| (1784 - 1854) m 1813      |
|                           |                            _Thomas JOYCE _____________
|                           |                           | (1725 - 1780)             
|                           |_Sarah JOYCE ______________|
|                             (1755 - 1823) m 1778      |
|                                                       |_Sarah HAMILTON ___________
|                                                                                   
|
|--Thomas Harvey MARSHALL 
|  (1819 - 1890)
|                                                        ___________________________
|                                                       |                           
|                            _Martin HANCOCK ___________|
|                           |                           |
|                           |                           |___________________________
|                           |                                                       
|_Mary Polly HANCOCK _______|
  (1798 - 1871) m 1813      |
                            |                            ___________________________
                            |                           |                           
                            |_Sarah HARVEY _____________|
                                                        |
                                                        |___________________________