^The State Archive of Warszawa Record Pultusk BranchArchived August 12, 2007, at the Wayback Machine: "Jewish Civil Registry of Przasnysz ", 1864, Akt #: 9, registration Date: Feb 28, 1864, Location: Przasnysz, Death Date: Feb 27, 1864, Surname: Lewin, Given Name: Chaia Basia, Maiden Name: Rabinowicz, age 46, Father: Uszer, Mother: Laja, Husband: Henoch Lewin, Rabin (Rabbi) and daughter Elka Hudes Walberg.