_Eliphas PRESTON ____+
                                             | (1822 - 1900)       
                       _John Fuller PRESTON _|
                      | (1850 - 1935)        |
                      |                      |_Nancy Jane GRIMM ___+
                      |                        (1828 - ....)       
 _Millard PRESTON ____|
| (1889 - 1981)       |
|                     |                       _____________________
|                     |                      |                     
|                     |_Sarah DIALS _________|
|                       (1871 - ....)        |
|                                            |_____________________
|                                                                  
|
|--Robert Lee PRESTON 
|  
|                                             _____________________
|                                            |                     
|                      ______________________|
|                     |                      |
|                     |                      |_____________________
|                     |                                            
|_Pearl LNU __________|
                      |
                      |                       _____________________
                      |                      |                     
                      |______________________|
                                             |
                                             |_____________________