De Cossat Jean (1514) 1628 - 1693
 | Chaufroit Jacqueline (1515) 1629 - 1710
 | | | | | Harlaut Mathieu 1671 - ?
 | Houy Marie
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De Cossat Claude 1667 - 1725
 | Bellier Gabrielle 1669 - 1733
 | Duguay Jacques ? - 1696
 | Harlaut Marie 1696 - 1730
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Cossat Joseph 1708 - 1775
 | Duguay Marie Hélène 1719 - 1772
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Cossat Jacques 1758 - 1813
 | Patrolin Anne
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Cossat Louis Antoine (1781 - ?) |