Jan married Aleida Scholing on 3 Aug 1930. Aleida was born on 6 Jul 1910. She died in 2001.
They had the following children:
+ 2 F i Margaretha Geertruida (Gretha) Kroezen + 3 M ii Johannes (John) Kroezen + 4 M iii Geert (Gary) Kroezen + 5 F iv Libbigje (Libby) Kroezen