_______________________
                                                 |                       
                           _Joseph B. ALLISON ___|
                          | (1778 - 1845) m 1805 |
                          |                      |_______________________
                          |                                              
 _Richard Booker ALLISON _|
| (1808 - 1883) m 1833    |
|                         |                       _______________________
|                         |                      |                       
|                         |_Catherine LNU _______|
|                           (1774 - 1851) m 1805 |
|                                                |_______________________
|                                                                        
|
|--Julius Fabius Menlancthon ALLISON 
|  (1848 - ....)
|                                                 _Thomas Addison COBBS _+
|                                                | (1712 - 1833) m 1756  
|                          _William Tandy COBBS _|
|                         | (1783 - 1870) m 1819 |
|                         |                      |_Mary Susannah MOON ___+
|                         |                        (1738 - 1807) m 1756  
|_Sarah Wash COBBS _______|
  (1814 - 1887) m 1833    |
                          |                       _William Pleasant KEY _
                          |                      | (1750 - 1825)         
                          |_Mary KEY ____________|
                            (1785 - 1846) m 1819 |
                                                 |_Sarah WASH ___________
                                                   (1750 - 1826)