(1) He is married to Baukje Boorsma.
They got married on April 23, 1928 at Groningen (Gr) , he was 23 years old.Source 3
The couple were divorced on January 9, 1942.
(2) He is married to Hendrikje Postma.
They got married on November 30, 1944 at Groningen (Gr) , he was 40 years old.Source 4
Jannes Balkema | ||||||||||||||||||
(1) 1928 | ||||||||||||||||||
Baukje Boorsma | ||||||||||||||||||
(2) 1944 | ||||||||||||||||||
Hendrikje Postma |
Geboorteregister Leens 1904
https://www.graftombe.nl/names/info/2101076/balkema
Huwelijksregister Groningen 1928
Huwelijksregister Groningen 1944