_____________________
                                                       |                     
                       _Phillip LEIDY _________________|
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                      |                                |_____________________
                      |                                                      
 _Joseph LEIDY _______|
|                     |
|                     |                                 _Robert J. W. POLK __+
|                     |                                |                     
|                     |_Penelope Johnstone Maury POLK _|
|                                                      |
|                                                      |_Fnu SOMMERVILLE ____
|                                                                            
|
|--Phillip Ludwell LEIDY 
|  
|                                                       _____________________
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|                      ________________________________|
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|                     |                                |_____________________
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|_Helen R. CARTER ____|
                      |
                      |                                 _____________________
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                      |________________________________|
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                                                       |_____________________