My grandfather's parents were called leiba itzek (lejvi-itsko) or
leon gold leivi istic lembersky born 1865 eteta lazar or Helene
schartsman or chvarchman or chrvarzmann or swartzman born 1867
They lived in the city of Zvenigorovdka in Ukraine at the following
address: 48 rue sorbonne
Do you know the date of their death, please?