You can look up the original marriage record at genver.nl and the document yields some more information:

Jan Kok , the father of the groom was deceased (before 27 Apr 1834)

Trijntje Helder still alive lives at Hauwert?

Present at the marriage:

Brothers of Jan Kok (uncles of the groom)

Dirk Kok 64 years old (in 1834) lives at Zuidermeer

Cornelis Kok 57 years old (in 1834) lives at Schoorl

Brothers of the Bride:

Jacob de Vries 27 years old lives at Oosthoorn

Simon de Vries 22 years old lives at Hoog en Laag Zwaagdijk

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So there is some stuff to go on to expand your search, unfortunately the "huwelijkse bijlagen" documents submitted at the marriage were destroyed by a fire. This includes extracts of baptism records and record of death of Jan Kok.