_William COBB _______+
                      | (1719 - 1798) m 1742
 _William COBB _______|
| (1748 - 1827) m 1782|
|                     |_Jane SEWARD ________
|                       (.... - 1754) m 1742
|
|--Sarah Ann COBB 
|  (1790 - ....)
|                      _Robert COOPER ______
|                     | (1722 - 1792)       
|_Margaret COOPER ____|
  (1758 - 1805) m 1782|
                      |_Ann ________________
                                            
[3421] birth:Sarah's birth was successfuly anticipated in a letter from her grandfather William to her father William dated 24th August 1789. He hopes they will have "a daughter to join the sons". Source: Norfolk Record Office WKC 7/141