Pierre Crommelingk
                         1475-1555 
                             | 
                             | 
                         Armand Crommelinck 
                         Linen merchant in Kortrijk 
                         1499-1590 
                             | 
                             | 
                         Jean Crommelin 
                         Seigneur de Camas 
                         1560-1640 
                             | 
                             | 
                         Pierre Crommelin 
                         Merchant in St.Quentin 
                         1596- 
                             | 
                             | 
                         Samuel Crommelin 
                         1629-1694 
                             | 
                             | 
                         Henry Samuel Crommelin 
                         1660-1732 
                             | 
                             | 
                         Jean van Wickevoort Crommelin 
                         1702-1740 
                             | 
                             | 
                         Jan van Wickevoort Crommelin 
                         1735-1796 
                             | 
                             | 
                         Jan Iman Hendrik van Wickevoort Crommelin 
                         1775-1841 
                             | 
                             | 
                         Alida van Wickevoort Crommelin 
                         Barones van der Oudermeulen 
                         1806-1883