John Blumenfeld was born 2 August 1890 in Minsk, Belarus and died 17 July 1893 Baltimore, Maryland, United States of unspecified causes.
Children
| Name | Birth | Death | Joined with |
| William Blumenfeld (1860-1940) | 16 January 1860 Baltimore, Maryland, United States | 15 March 1940 Baltimore, Maryland, United States | Katherine Berkovich (1865-1923) |
Siblings