(1) He is married to Hillegien Reinders.
They got married on December 22, 1934 at Emmen, Gemeente Emmen, Drenthe, Nederland, he was 27 years old.Source 3
(2) He is married to Janna Koops.
They got married in the year 1949 at Emmen, Gemeente Emmen, Drenthe, Nederland, he was 41 years old.Source 4
Child(ren):
grandparents
parents
brothers/sisters
children
Jacob Posthuma | ||||||||||||||||||||||||||||||||||
(1) 1934 | ||||||||||||||||||||||||||||||||||
Hillegien Reinders | ||||||||||||||||||||||||||||||||||
(2) 1949 | ||||||||||||||||||||||||||||||||||
Janna Koops | ||||||||||||||||||||||||||||||||||

Pauline Berens: Genealogienetwerk zus Greetje Berens voorheen EemslandBoekweitBoerenImmigratie
https://www.genealogieonline.nl/the-dutch-connection/I24023.php