Father: no information (but see below)
Mother: no information
Spouse: no information
Children:
Biographical information:
The last Chervin household in Nadezhnaya, before World War II, consisted of Avrom, Iosif, Tsemakh, and Tsemakh's wife Dora.
That listing may signify that Avrom was the father, Iosif and Tsemakh his children.
Source:
Grigori Tsygutkin, Wild Field
Added 2020.