He is married to Trientje de Vries.
They got married on June 18, 1931 at Opsterland (Fr), he was 26 years old.Source 3
grandparents
parents
brothers/sisters
children
Tjeerd Posthumus | ||||||||||||||||||
1931 | ||||||||||||||||||
Trientje de Vries | ||||||||||||||||||
Geboorteregister 1904, Smallingerland
https://www.graftombe.nl/names/info/689952/posthumus
Huwelijksregister 1931, Opsterland