She is married to Tjipke Postma.
They got married on December 24, 1931 at Kollumerland c.a., Friesland, Nederland, she was 18 years old.Source 3
Met legitimatie van een kind
grandparents
parents
brothers/sisters
children
Beitske Koster | ||||||||||||||||||
1931 | ||||||||||||||||||
Tjipke Postma | ||||||||||||||||||
Geboorteregister 1913, Kollumerland c.a.
https://www.graftombe.nl/names/info/278168/koster
Huwelijksregister 1931, Kollumerland c.a.