# Estera Malka Biderman (b.1929) <!-- AUTO:BEGIN — generated from GEDCOM; do not edit, overwritten on rebuild --> > 🔵 **Bernstein — Ozzy's side** · Relationship to Ozzy: **4th cousin 2x removed** **Born** ~1929 — [[Łęczna]] **Died** ~1942 — [[Łęczna]] **Parents** [[Abram Berek Biderman (b.1888)]] · [[Maria Chana Biderman (b.1887)]] **Siblings** [[Ryfka Laja Biderman (b.1909)]] · [[Moszek Biderman (b.1930)]] · [[Unknown Biderman (b.1933)]] · [[Unknown Biderman (b.1934)]] *GEDCOM I515013 · Bernstein tree · synced 2026-07-01* <!-- AUTO:END --> ## Research *(your reasoning — preserved across every rebuild)* ## Evidence ## Open questions