He is married to Anna Nannes Kuiper.
They got married on May 27, 1909 at Emmen, Drenthe, Nederland , he was 27 years old.Source 3
https://www.drentsarchief.nl/onderzoeken/genealogie/zoeken/deeds/f467c566-af68-4032-8cac-ef88a7e64e9f?person=2fde3cb9-e4b1-4a0e-b618-435d0bb0f766
https://www.openarch.nl/hco:680A00FC-CB7E-4F93-92DB-1958EE510EAC
https://www.drentsarchief.nl/onderzoeken/genealogie/zoeken/deeds/63ad47af-3475-415d-aacf-bb5f32685532?person=9e771019-5bac-4a9e-bf13-61ac175f26d0