See also
| Name: | John Anthony Herkomer |
| Sex: | Male |
| Father: | Herman Gustave Herkomer (1862-1935) |
| Mother: | Blanche Griffin (1872-1961) |
| Birth | 14 Oct 1901 | Marylebone, Middlesex |
| Birth fact | 1901 (age 0) | 1901 Dec Qtr, Marylebone, 1a/502 |
| Census | 1920 (age 18-19) | Living with parents |
| Census | 1930 (age 28-29) | Engineer at power company, living with parents |
| Death | 13 Oct 1960 (age 58) | Los Angeles, California, USA |