+--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)
Charles De Billy  (1564-ABT 1630)
+--Jeanne De Maguerel  (-UNKNOWN)