He is married to Tjitske Roels de Vries.
They got married on June 2, 1904 at Opsterland, Friesland, Nederland , he was 26 years old.Source 3
https://allefriezen.nl/zoeken/deeds/e7063d1d-f08a-a35c-24e3-c0bb904245fc?person=e39ba018-3edf-af5c-fe0c-b013ed7881a6
https://www.openarchieven.nl/hco:B2501838-1B89-4B43-A333-D41058F59C69
https://allefriezen.nl/zoeken/deeds/6b4583ae-8075-7343-0433-a76468f6d67c?person=156a4a67-4246-ec4f-287a-5be55780d11e