Beth would this be your family? It is information that I got from the census.
Abraham Koppelman 30 in 1930 born New york parents Poland single Mother Dena57 yrs old married first time at 16 imm 1905? living Brooklyn, Kings, N.Y.
1920 census Brooklyn, Kings N.Y. Geller Moses head born austria 33 yr old imm 1890 Rose wife 26 yrs old born N.Y. Julius Koppelman father-in-law 55 yrs old imm 1892 Dena mother-in-law 50 yrs old imm 1892 Abraham brother-in-law 23 yrs old born N.Y.
1920 census Benj Koppelman 28 yrs born N.Y. parents from Austria they spoke yiddish Ethel wife born N.Y. 23 yr old parents from Austria they spoke Yiddish Herbert son 2 yr 6 mo born Conneticutt
1910 census Koppelman living in Kings county 29 ward Brooklyn Julis 42 yr old married 25 yrs imm from Austria 1891 Dena wife 40 yrs old"had 7 kids 7 living Rosy daughter 18 yr old born N.Y. Abraham son 17 yr old born N.Y.