Benjamin Greerstein, born c1884, Zersma
Sources: (1) 1920 U.S. Federal Census.
Name: Benj[amin] Greerstein
Age: 36 years, born c1884, ZERSMA
Race: White
Home in 1920: Bronx, Bronx, New York
Roll: T625_1136
Page: 26A
ED: 263.
Note: One mention in the entire Federal Census data banks of this variant.Probably a Grierson, but where is Zersma?