- [S175] Frances Gretchen (Klein) Leenerts, Descendants of Father Fiegenbaum (Chinook, Washington: F. Leenerts, 2002), page 145.
Erna Mulach, daughter of Joseph Mulach and Anna Vogt, was born on 4 October 1909 at Worden, Madison County, Illinois.
- [S211] Article or notice, "J. B. Mulach." Alton Evening Telegraph (Alton, Illinois). Tuesday, 3 December 1957; page 18, column 8.
Digital copy (PDF file) accessed through NewspaperArchive.com at (http://www.newspaperarchive.com/SiteMap/FreePdfPreview.aspx?img=115970708) in October 2011.
"He was married May 8, 1901, at Belleville, to Miss Anna Vogt." Anna survived her husband.