________________________
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                       _____________________|
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                      |                                              
 _Newton ST JOHN _____|
|                     |
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|                     |_____________________|
|                                           |
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|--Erasmus ST JOHN 
|  
|                                            ________________________
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|                      _Alexander POPE _____|
|                     |                     |
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|_Maria Jane POPE ____|
                      |
                      |                      _William Crawford BIBB _
                      |                     | (1735 - 1796) m 1779   
                      |_Cordelia BIBB ______|
                                            |
                                            |_Sallie WYATT __________
                                              (1759 - 1826) m 1779