+--Baldwinus Belsens 
      +--Guillelmus Belsens  (27 AUG 1692-25 NOV 1745)
      |  +--Joanna de Vos 
   +--Jacobus Belsens  (24 FEB 1717/18-9 MAR 1802)
   |  |     +--Henricus Coryn  (ABT. 1608-30 JUN 1670)
   |  |  +--Franciscus Coryn  (19 JAN 1646/47-)
   |  |  |  +--Catharina Herpels  (ABT. 1608-4 NOV 1664)
   |  +--Catharina Coryn  (16 AUG 1691-21 NOV 1745)
   |     |  +--Joannes Quickelberge  (-3 OCT 1794)
   |     +--Cornelia Quequeburne  (24 MAR 1650/51-)
   |        +--Joanna de Vyl 
+--Petrus Franciscus Belsens  (14 MAY 1748-29 MAR 1779)
|  +--Maria Anna Verniest 
Regina "Reine" Belsens  (25 AUG 1777-)
|  +--Joannus Buysse 
+--Norbertina Buysse