She is married to Jetze Koster.
They got married on May 25, 1918 at Kollumerland c.a., Friesland, Nederland, she was 22 years old.Source 3
grandparents
parents
brothers/sisters
children
Jimkje de Graaf | ||||||||||||||||||
1918 | ||||||||||||||||||
Jetze Koster | ||||||||||||||||||
Geboorteregister 1895, Smallingerland
https://www.graftombe.nl/names/info/537255/graaf_de
Huwelijksregister 1918, Kollumerland c.a.