He is married to Teuntje van der Veen.
They got married on May 29, 1937 at Achtkarspelen (Fr), he was 22 years old.Source 3
grandparents
parents
brothers/sisters
children
Jan de Groot | ||||||||||||||||||
1937 | ||||||||||||||||||
Teuntje van der Veen | ||||||||||||||||||
Geboorteregister 1915, Achtkarspelen
https://www.graftombe.nl/names/info/277866/groot_de
Huwelijksregister 1937, Achtkarspelen