I am currently working on my Jewish great-grandparents: Sam Lebman, Pauline Feldberg, Irwin Schonfield, and Frances Levy.
I started my real genealogy research with Pauline Feldberg. Here is what I have so far:
Pauline Feldberg (a.k.a. Perl Feldberg)
b. 21 Nov 1893 in Kurow, Poland
immigrated 6 Jun 1908 from Rotterdam to New York, NY on the S.S. Noordam*
census: 18 Apr 1910 living in Manhattan, New York, NY**
m. Samuel Lebman in 1920
census: 10 Apr 1930 living in East Liverpool, Columbiana County, Ohio
d. 20 May 1973 in Los Angeles, CA
*Other important information from her immigration records: Her age is listed as 18 years old, when she would have been 14. Her last residence prior to immigrating was Buczacz, Austria. She had a male relative named Fischel Feldberg living in Polowze, Galicia. Her sister is named G. Feldberg, and she lived at 130 Attorney St. in New York City. Her place of birth is listed as Buczacz, Russia. On her Ellis Island detention records, her sister is listed as Gussie, and she lived at 130 Attorney.
**Other important information from the 1910 census: Her first name is listed as Parcliene. She is listed as being the sister of the head of household, Gussie Feldberg. She is listed as being 18, when she would have been 16. She was an operator in a factory that made ladies' shirts.