He is married to Tannetje van Velsen.
Permission for the marriage has been obtained in Kruiningen on December 5, 1806.Source 1
They got married on December 25, 1806 at Kruiningen.Source 11520. Otr. 5 december, Tr. hier 25 december, Pieter Haverhoek, jm. gebooren te Hoedekenskerke, met Tannetje van Velsen, jd. gebooren en beide woonende te Kruijningen.
Kruiningen index ref. trouwen 1671-1810 https://geneaknowhow.net/script/zee/Trouwen%20Kruiningen%201671-1810.pdf