He is married to Janna van Sloten.
They got married on December 12, 1912 at Leens (Gr), he was 19 years old.Source 3
grandparents
parents
brothers/sisters
children
Sjirk van der Veen | ||||||||||||||||||
1912 | ||||||||||||||||||
Janna van Sloten | ||||||||||||||||||
Geboorteregister 1893, Achtkarspelen
https://www.graftombe.nl/names/info/2094562/veen_van_der
Huwelijksregister Leens 1912