| Family Name | TSCHERNJAK |
|---|---|
| Maiden Name | |
| Other Names | |
| Given Name | Isak |
| Father | Haim |
| Mother | |
| Approximate Date of Birth | 1886-04-13 |
| Place of Birth | Russia, Mogilev |
| Approximate Date of Death | 1941 |
| Place of Death | Riga |
| Place of Residence Before the War | Riga |
| Place of Residence During the War | Riga |
| Occupation | Engineer |
| Gender | Male |
| Marital Status | Married |
| Spouse | Freda nee KAPLAN |
| Fate during the years 1941-1945 | Ghetto, killed |
| Sources |
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| Additional Notes |