# Helmuth Hakob Mayer (b.1920) <!-- AUTO:BEGIN — generated from GEDCOM; do not edit, overwritten on rebuild --> > 🔵 **Bernstein — Ozzy's side** · Relationship to Ozzy: **in-law (married into the family)** **Born** 10/27/1920 — [[KleinBockenheim RhinelandPalatinate GERMANY]] **Died** 04/30/1999 — [[NewYork USA]] **Spouse** [[Ruth Ullmann (b.1924)]] **Children** [[Ronny Mayer (b.1947)]] *GEDCOM I507180 · Bernstein tree · synced 2026-07-01* <!-- AUTO:END --> ## Research *(your reasoning — preserved across every rebuild)* ## Evidence ## Open questions