Der Stammbaum Prof. Albert Einsteins
- Repository
- Jüdische Familien-Forschung / Leo Baeck Institute Library Periodical Collection
- Reference
- Jüdische Familien-Forschung, Heft 28 (Dezember 1931), pp. 419-421; Internet Archive parent serial identifier judischefamilien
- Date
- 1931-12
- People
- —
- Places
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Reliability and limits
The distinct 1931 Tänzer article has been localized bibliographically to issue 28 of Jüdische Familien-Forschung, pp. 419-421. Princeton University Press's official bibliography for the Einstein papers independently lists the article. The Leo Baeck Institute Library Periodical Collection's Internet Archive parent item, identifier judischefamilien, describes its digitized holdings as complete from Jahrgang 1 Heft 1 (1925) through Jahrgang 14 Heft 50 (1938), so Heft 28 falls within the digitized run. In the current text client the Internet Archive item is exposed primarily as a parent/EAD container and the specific Heft 28 child scan/pages were not successfully retrieved. The editorial apparatus to volume 1 of The Collected Papers of Albert Einstein further distinguishes this 1931 publication from the 1930 version: it states that Tänzer's 1931 item contains an Einstein family tree with additions by Dr. Arthur Czellitzer based on earlier Tänzer material. The same editorial note describes a 1930 Tänzer paternal tree prepared from official Jewish family- register extracts in Buchau and Ulm and points to preserved copies in the Einstein Archive "Family Tree" material and NNLBI/Leo Baeck Institute AR 485, no. 3. Those archive references are useful alternate access routes to Tänzer's genealogy but do not establish that the 1931 additions extend the lineage to Baruch, Moses, David Veit or Daniel. The full pp. 419-421 remain uninspected in STEINE, so no person-level genealogical assertion is attributed to S-120 yet. Do not conflate it with Tänzer's visually inspected 1 June 1930 Gemeinde-Zeitung article S-109 and do not infer a Fellheim-Buchau link until the 1931 pages themselves are read.
Supported discoveries
Bergmann documented unsuccessful attempts to connect the Swabian branches. The 2026 Augsburg archive search did not recover Daniel Einstein's underlying 1722/1747 originals or identify his father. Independent Buchau evidence now establishes an early Baruch Moses Ainstein household and supports an early Moises line, making Baruch a testable candidate common ancestor, but no source-backed Daniel-to-Baruch parent-child link has been found. Repeated derivative pedigrees asserting that link are leads, not documentary proof.
Publication boundary
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