Sorry, I am not related to these persons.
However a revisit to Census records reveals the following:
In the 1930 Census-
Rosabel is actually "37" and although she is listed as "single" a search of 1920 census reveals different facts.
Harry J should read as "Harry I." and he was actually "32" in the 1930 Census.His occupation at that time could be salesman-furn. or salesman-furs, dependent on how one reads the census takers handwriting.
Further research into the 1920 Census reveals the following facts about this family group.
1920 US Census Philadelphia PA
Ward 38, Enumeration District 1325 page 4B
Census taken on 5 January 1920
family living at 2116 Erie Avenue, Philadelphia
SPAETH, Isaac, head, m,w, 56,Marr, PA, GERM, GERM, salesman dry goods
SPAETH, Matilda, wife, f,w, 51, Marr, NCar, GER, GER, none
ADLER, Saifrem (?), head, m,w, 30, Marr, PA, GER, NJ, salesmancotton commm (?)
ADLER, Rosabel, wife, f, w, 28, marr, PA, PA, NC none
SPAETH, Harry I., son, m,w, 23, sing, PA, PA, NC manager, glove store.
Handwriting analysis is essential for reading this census taker's handwriting.Hope that helps you somewhat...