Bernard was born about 1901. He is the son of David Brownstein and Lena Meltzman.
"United States Census, 1910", database with images, FamilySearch (https://www.familysearch.org/ark:/61903/1:1:MGCD-56S : Wed Jul 19 02:09:11 UTC 2023), Entry for David Brownsteven and Lena Brownsteven, 1910.
"United States Census, 1930", database with images, FamilySearch (https://www.familysearch.org/ark:/61903/1:1:XHZG-45W : Fri Aug 04 16:32:53 UTC 2023), Entry for David Brownstein and Lena Brownstein, 1930.
B > Brownstein > Bernard Brownstein