He is married to Neeltje Groot.
(impostdatum, jm geboren te Oostzaandam, wonende te Wormer, jd geboren en wonende Oostzaandam),
kinderen
Jelle Fokkes Valk 1808
Bregje Fokkes Valk ca 1815
zie
http://gw4.geneanet.org/mbrugman?lang=en;p=neeltje+cornelis;n=groot;oc=3
They got married in the year 22 at Oostzaandam, Noord-Holland, Nederland.
The data shown has no sources.