+———Eustache DUPUIS (1751 – 1835)
      |
  +———Norbert DUPUIS (1789 – 1884)
  |   |    
  |   +———UNKNOWN ( – 1828)
  |    
  Marguerite DUPUIS (abt 1827 – )
  |    
  +———Marie Josephte CHATEL (1797 – 1874)