(1) He is married to Antje de Vries.
They got married on May 9, 1914 at Kollumerland c.a., Friesland, Nederland, he was 22 years old.Source 3
(2) He is married to Wietske Banga.
They got married on May 20, 1916 at Kollumerland c.a., Friesland, Nederland, he was 24 years old.Source 4
Child(ren):
grandparents
parents
brothers/sisters
children
Albert Koster | |||||||||||||||||||||||||||||||||||
(1) 1914 | |||||||||||||||||||||||||||||||||||
Antje de Vries | |||||||||||||||||||||||||||||||||||
(2) 1916 | |||||||||||||||||||||||||||||||||||
Wietske Banga | |||||||||||||||||||||||||||||||||||
Geboorteregister 1891, Kollumerland c.a.
https://www.graftombe.nl/names/info/277670/koster
Huwelijksregister 1916, Kollumerland c.a.