He is married to Lena Erasmus.
Permission for the marriage has been obtained in Wolphaartsdijk on 1675.Source 1
53. Otr. Wolfaartsdijk, Adriaan Cornelisz. de Jonge, jm. Kruiningen, en Lena Erasmus, wed. Claas Joris Oosthoek, van Kloetinge, attestatie naar Kloetinge.
Kruiningen index ref. trouwen 1671-1810 https://geneaknowhow.net/script/zee/Trouwen%20Kruiningen%201671-1810.pdf