+--Robert De Billy  (-UNKNOWN)
                              +--Herbert De Billy  (-UNKNOWN)
                           +--Niveon De Billy  (-UNKNOWN)
                           |  +-- Adelaye  (-UNKNOWN)
                        +--Raoul De Billy  (-UNKNOWN)
                        |  +-- Marie  (-UNKNOWN)
                     +--Guy De Billy  (-UNKNOWN)
                     |  +--Simone Du Mouthier  (-UNKNOWN)
                  +--Guyot De Billy  (-UNKNOWN)
               +--Philippe De Billy  (-1331)
            +--Jean De Billy  (-1409)
            |  +--Marguerite D'Yvor  (-UNKNOWN)
         +--Antoine De Billy  (UNKNOWN-UNKNOWN)
         |  +--Jeanne Depuiseux  (-UNKNOWN)
      +--Jean De Billy  (-ABT 1488)
      |  +--Pernelle Devilliers  (-UNKNOWN)
   +--Antoine De Billy  (AFT 1440-1515)
   |  +--Marguerite D'Orgemont  (-UNKNOWN)
+--Louis De Billy  (AFT 1470-1532)
|  +--Germaine De La Grange De Trianon  (-UNKNOWN)
Charles De Billy  (AFT 1507-1574)
+--Philippe De Caulaincourt  (-UNKNOWN)