_____________________
                                                    |                     
                        _Peter JARVIS ______________|
                       | (1778 - 1861) m 1810       |
                       |                            |_____________________
                       |                                                  
 _Hugh JARVIS _________|
| (1828 - 1890) m 1843 |
|                      |                             _Ambrose COBB _______+
|                      |                            | (1761 - 1824) m 1783
|                      |_Mary Elizabeth Polly COBB _|
|                        (1786 - 1840) m 1810       |
|                                                   |_Rachel BLACK _______+
|                                                     (1765 - 1854) m 1783
|
|--Sarah Ann JARVIS 
|  (1861 - ....)
|                                                    _____________________
|                                                   |                     
|                       _Daniel COTTINGIM __________|
|                      |                            |
|                      |                            |_____________________
|                      |                                                  
|_Julie Ann COTTINGIM _|
  (1823 - 1888) m 1843 |
                       |                             _____________________
                       |                            |                     
                       |_Sarah SIBERT ______________|
                                                    |
                                                    |_____________________