THIEFFRY Lambert 1699 - 1761
  | DEBOUVRY BOUVRY DESBOUVRIES Marie Anne 1691 - 1752
 | THIEFFRY Jean Baptiste
 | HENNO Marie Louise
 | | | | | | | | | DESMULIER Antoine
  | FOURNIER FOURNIÉ Marie Jeanne 1686 - 1765
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THIEFFRY Jean Baptiste 1723 - 1792
  | THIEFFRY Marie Louise 1725
  | GAHIDE Pierre François
 | OVART Marie Louise
 | VANHOUTTE André Joseph
 | DUMORTIER Robertine Françoise
 | DESMULIER Guillaume 1720 - 1811
  | LESTIENNE Marie Elisabeth Joseph 1720 - 1769
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THIEFFRY Pierre Joseph 1750 - 1839
  | GAHIDE Marie Catherine 1768 - 1838
  | VANHOUTTE Jean Maurice Joseph 1768 - 1841
  | DESMULIER Marie Elisabeth Joseph 1767 - 1837
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THIEFFRY Pierre François 1797 - 1888
  | VANHOUTTE Pélagie 1797 - 1871
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THIEFFRY Jean François 1822
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