Father: Mortkha Serlyn
Mother: no information
Born ca. 1849, in Yalavka (Volkavysk uyezd) moved to Babrovniki (Berastavitsa v., Grodno u., Grodno g.) Blacksmith.
Source: 1897 Grodno gubernia census. The spelling Serlin is usually used in this census but for the Babrovniki line (an offshoot of the Yalavka line) this alternate spelling is used.