He is married to Meltje Visser.
They got married on May 20, 1937 at Dantumadeel, Friesland, Nederland, he was 27 years old.Source 3
grandparents
parents
brothers/sisters
children
Sierk Bosgraaf | ||||||||||||||||||
1937 | ||||||||||||||||||
Meltje Visser | ||||||||||||||||||
Geboorteregister 1910, Kollumerland c.a.
https://graftombe.nl/names/info/83605/bosgraaf
Huwelijksregister 1937, Dantumadeel