# Yitzchok Tzvi Seidenfeld (b.1891) <!-- AUTO:BEGIN — generated from GEDCOM; do not edit, overwritten on rebuild --> > 🔵 **Bernstein — Ozzy's side** · Relationship to Ozzy: **2nd cousin 5x removed** **Born** 11/14/1891 — [[Mukachevo]] **Died** 10/03/1944 — [[Auschwitz]] **Parents** [[Shalom Seidenfeld (b.1861)]] · [[Chaya Sarah Weinberger (b.1865)]] **Siblings** [[Yisrael Seidenfeld (b.1883)]] · [[Naftali Seidenfeld (b.1884)]] · [[Sheindel Seidenfeld (b.1885)]] · [[Shlomo Seidenfeld (b.1886)]] · [[Gittel Seidenfeld (b.1888)]] · [[Asher Zelig Seidenfeld (b.1890)]] · [[Tonci Seidenfeld (b.1893)]] · [[Yehoshua Seidenfeld (b.1895)]] · [[Margit Seidenfeld (b.1898)]] · [[Ilonka Seidenfeld (b.1899)]] · [[Malia Seidenfeld (d.1944)]] *GEDCOM I509880 · Bernstein tree · synced 2026-07-01* <!-- AUTO:END --> ## Research *(your reasoning — preserved across every rebuild)* ## Evidence ## Open questions