He is married to Friederike Louise Wilhelmine VAN PRUISEN.
They got married on October 1, 1791 at Berlijn (DE), he was 19 years old.
Child(ren):
Ger de Vries, "Stamboom I.D.M. de Vries", database, Genealogie Online https://www.genealogieonline.nl/stamboom-i-m-d-de-vries/I26858.php
Peter de Mos, "'s-Heerenberg - Maria van Nassau 1539-1599", database, Genealogie Online https://www.genealogieonline.nl/s-heerenberg-maria-van-nassau/I216.php
The data shown has no sources.