Arnim and Marian (Eger) Reiss, parents
Erna Reiss, sister
Sabine Eger, aunt
Rose Bloom, aunt
Identified by uncle.
The Reiss family lived at 4244 Vincennes Avenue, just down the street from Rose and Henry. Marian Eger Reiss (b.1868) had married a fellow Hungarian immigrant, Armin Reiss (1865-1942) in 1891.† Their first child, Ernest H. Reiss, was born in 1892 and his sister Erna S. Reiss the following year. Like his father-in-law, Arnim was a cigar maker. He had immigrated to America in 1884.
Chicago Tribune (Chicago, Illinois) · 1 Jan 1904, Fri · Page 2
McCurdy, D. B. (1904). Lest We Forget: Chicago's Awful Theater Horror. Chicago: Memorial Publishing Company, accessed https://www.gutenberg.org/files/39280/39280-h/39280-h.htm, p 136
Find-A-Grave https://www.findagrave.com/memorial/62567422/ernest-reiss
Chicago Tribune (Chicago, Illinois) Sat, May 20, 1905 ·Page 4
