Laci's eldest sister · Hebrew name Devorah (דבורה) per Tatty (Menachem Feig) · Bas Kohen · firstborn of the four Klein siblings (Ilona 1912 → Jenő 1913 → Avrohom Chaim/Lajos 1914 → Laci 1922) · never married · her name appears on the granite memorial plaque set into the base of Zeidy's matzeiva in Brooklyn — recorded there as Devorah bas Menachem HaKohen. (v3.58: corrected per Eli Feig — earlier site copy had her as "Ilona Klein Büchler" deported with a husband Lajos. She did not marry; the Büchler surname has been removed and the narrative corrected.)
Zeidy's older sister. Never married. Murdered at Auschwitz with her parents Emanuel and Lina in May 1944. Source: Chapter 3.
Laci's eldest sister · Hebrew name Devorah (דבורה) per Tatty (Menachem Feig) · Bas Kohen · firstborn of the four Klein siblings (Ilona 1912 → Jenő 1913 → Avrohom Chaim/Lajos 1914 → Laci 1922) · never married · her name appears on the granite memorial plaque set into the base of Zeidy's matzeiva in Brooklyn — recorded there as Devorah bas Menachem HaKohen. (v3.58: corrected per Eli Feig — earlier site copy had her as "Ilona Klein Büchler" deported with a husband Lajos. She did not marry; the Büchler surname has been removed and the narrative corrected.)
Zeidy's older sister. Never married. Murdered at Auschwitz with her parents Emanuel and Lina in May 1944. Source: Chapter 3.
Hungarian civil and Jewish-community registers, photographed by family researchers. Click any image to view full size.
From civil records, family memory, and primary sources. Empty rows are research targets.
Each card below is part of the documented record. Empty slots are open requests.
The generations they stood between.


The Klein × Weisz Archive is a multi-generational record of two Hungarian Jewish lines, joined by Bobby and Laci’s marriage in 1952.