Father:
- Charles Johnson (*1855 - †?)

Mother:
- Christina Mathilda Carlson (*1856 - †1920)

Siblings:
- Albin Johnson (*1884 - †?)

- Elen Johnson (*1886 - †?)

Wife:
- Ida Charlotte Peterson (*1877 - †1954)

Children:
- Earl Howard Johnson (*? - †?)

- Harriet Louise Johnson (*? - †?)

- Jeanette Olive Johnson (*1912 - †?)

Branch:
Note:
a) GEDCOM file: Swabian Kastlers.ged
