(1) He is married to Aaltje Boer.
They got married on July 11, 1941 at Zweeloo (Dr), he was 21 years old.Source 3
(2) He is married to Tjimkje Spinder.
They got married on May 3, 1945 at Heerlen (Lb), he was 25 years old.Source 4
Geboorteregister Zweeloo, 1919
https://www.online-begraafplaatsen.nl/zerken.asp?command=showgraf&bgp=3402&grafid=1372735&view=Zerkenlijst&page=4
Huwelijksregister Zweeloo, 1941