1. Jacobus Dekeunynck died on 7 May 1797 in Merkem.
Jacobus married Joanna Theresia Lagrou on 19 Jan 1779 in Woumen. Joanna was born in 1753 in Kortemark. She died on 26 May 1786 in Woumen.
They had the following children:
+ 2 M i Pieter Jacobus Dekeunynck was born on 30 Apr 1786. He died on 6 Nov 1840.