| | François Mengant 1689–1748 | | | | Prigent Mengant 1654–1722 Brigitte Tanguy 1646–1716 | | | | Prigent Mengant 1605–1687 | | | | Jeanne Perchirin 1585–1640 | | |
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| | | Jeanne Croguennoc 1648–1719 | | | | | Pierre Croguennoc 1612–1689 Catherine Guéganton 1612–1682 | | | | Olivier Croguennoc 1580–1620 |
| | | Pierre Guéganton 1580–1651 | | |
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