He is married to Maria Hendriksdr Holland.
Permission for the marriage has been obtained in Kruiningen on December 19, 1801.Source 1
1442. Otr. 19 december, Cornelis van Velsen, jm. gebooren te Waarde, en Maria Hend[riksdr.] Holland, jd. gebooren in ‘t Nieuwland, en beide woonende onder Kruiningen.
Child(ren):
Cornelis van Velsen | |||||||||||||||||||||||||||||||||||||
Maria Hendriksdr Holland |
Kruiningen index ref. trouwen 1671-1810 https://geneaknowhow.net/script/zee/Trouwen%20Kruiningen%201671-1810.pdf