_____________________
                                            |                     
                       _____________________|
                      |                     |
                      |                     |_____________________
                      |                                           
 _Richard RISON Sr.___|
| (1790 - 1838) m 1819|
|                     |                      _____________________
|                     |                     |                     
|                     |_____________________|
|                                           |
|                                           |_____________________
|                                                                 
|
|--Mary RISON 
|  (.... - 1839)
|                                            _Ambrose COBB _______+
|                                           | (1729 - 1797)       
|                      _David COBB _________|
|                     | (1756 - 1827) m 1785|
|                     |                     |_Sarah HOWELL _______
|                     |                       (1734 - 1815)       
|_Mary COBB __________|
  (1798 - 1851) m 1819|
                      |                      _____________________
                      |                     |                     
                      |_Catherine BIRD _____|
                        (1760 - 1843) m 1785|
                                            |_____________________