Father: no information
Mother: no information
Spouse: no information
Children:
Biographical information:
Known from patronymic of children. We do not know that the two Lev's in question are the same, but as there were few Tsyrlin's in St. Petersburg it is a reasonable inference.
Source: St. Petersburg directory, 1934 via Pavel Bernshtam
St. Petersburg Tsirlins
Tsirlins
2006