Julius married Elise Holtzermann, daughter of Jacob Daniel Holtzermann and Johanna L. Dettmer, on Dec 4, 1856.1,2,3
- Online FamilySearch. International Genealogical Index.
- Holtzermann, Elise (Schetter). "An American Journal (A Partial Autobiography) of Elise Schetter-Holtzermann". Translated by her granddaughter-in-law Velechovsky, Eugenie, 1975/76. Copy of translation in possession of Elise's great granddaughter.
- Online Miami County, Ohio, Genealogical Researchers. Miami Valley Genealogy Index.