_Thomas SHERIFF _____
                                            | (1620 - 1675)       
                       _Caleb SHREVE _______|
                      | (1652 - 1741)       |
                      |                     |_____________________
                      |                                           
 _Benjamin SHREVE ____|
| (1706 - ....)       |
|                     |                      _____________________
|                     |                     |                     
|                     |_Sarah ARESON _______|
|                       (1662 - ....)       |
|                                           |_____________________
|                                                                 
|
|--Israel SHREVE 
|  (1739 - ....)
|                                            _____________________
|                                           |                     
|                      _____________________|
|                     |                     |
|                     |                     |_____________________
|                     |                                           
|_Rebecca FRENCH _____|
  (1709 - ....)       |
                      |                      _____________________
                      |                     |                     
                      |_____________________|
                                            |
                                            |_____________________