She is married to Aalzen de Haan.
They got married on November 23, 1916 at Tietjerksteradeel, Friesland, Nederland, she was 20 years old.Source 3
grandparents
parents
brothers/sisters
children
Trijntje Koster | ||||||||||||||||||
1916 | ||||||||||||||||||
Aalzen de Haan | ||||||||||||||||||
Geboorteregister 1896, Tietjerksteradeel
https://www.graftombe.nl/names/info/311032/koster
Huwelijksregister 1916, Tietjerksteradeel