(1) He is married to Anje Kleveringa.
They got married
(2) He is married to Aaltje Veldhuis.
They got married on November 3, 1896 at Grand Rapids-Michigan (USA), he was 53 years old.Source 1
Huwelijksjaar misschien 1898 ?
(3) He is married to Frouwkje Boorsma.
They got married on January 15, 1900 at Grand Rapids-Michigan (USA), he was 56 years old.Source 1