_William E. TREW _________+
                                                     | (1834 - 1901) m 1859     
                             _John Wesley TREW ______|
                            | (1864 - 1941) m 1888   |
                            |                        |_Nancy Elizabeth CAMERON _
                            |                          (1839 - 1907) m 1859     
 _William Dentford TREW Sr._|
| (1891 - 1961) m 1915      |
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|                           |_Margaret Ellen PORTER _|
|                             (1862 - 1932) m 1888   |
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|                                                                               
|
|--Oras Athel TREW 
|  (1917 - ....)
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|                            ________________________|
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|                           |                                                   
|_Emma M. LEWIS ____________|
   m 1915                   |
                            |                         __________________________
                            |                        |                          
                            |________________________|
                                                     |
                                                     |__________________________