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The Unbroken Chain, by Dr. Neil Rosenstein

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Biographical Sketches and Genealogy of Illustrious Jewish Families from the 15th - 20th Century. Dr. Neil Rosenstein's magnum opus The Unbroken Chain was first published as a single volume in 1976. An expanded two-volume second edition of "The Unbroken Chain" was published in 1990.

The author announced in December 2012 that he was in the process of earnestly editing and preparing his manuscript, updated, corrected and significantly enlarged for a third edition. The projected date for publication was end 2014, beginning 2015. The plan was for 3 volumes, the last having a full name / surname index.

View a sample page of current edition in project under "Photos & Documents" link.

Entry points for each of the book's chapters in the two-volume second edition are listed below:

Volume One:

Volume Two:

  • Chapter IX: Rabbi Abraham Joshua Heschel
  • Chapter X: R' Eliezer, A.B.D. Dubno
  • Chapter XI: Rabbi Issachar Berish Heschel
  • Chapter XII: Saul Heschel
  • Chapter XIII: Rabbi Zvi Hirsch Ashkenazi
  • Chapter XIV: Rabbi Aryey Leib Halberstam
  • Chapter XV: Rabbi Israel Friedman
    • Branch A - Rabinowitz Chassidic Dynasty of Skole, including Goldman, Friedman, Heilprin (Halpern) Manzon and Hager Chassidic Dynasties
      • 1. Rabinowitz Chassidic Dynasty of Skole
      • 2. Goldman Chassidic Dynasty of Zwiahel
      • 3. Friedman Chassidic Dynasty of Ruzhin, including the Rebbes of Adjud, Boyan, Buhusi, Czortkow, Husyatinm Leovo, Pascani and Stefanesti - R' Israel Weinstock, Head of the Institute for Kaballah and Chassidism. Jersusalem
      • 4. Heilprin (Halpern) family of Vaslui
      • 5. Manzon and Shor families
      • 6. Hager Chassidic Dynasty of Vizhniz
    • Branch B - Heschel Chassidic Dynasty, Jeruchem family, Rabinowitz Chassidic Dynasty
      • 1. Heschel Chassidic Dynasty of Apt (Opatow), including the Rebbes of Kopzynce, Krolevets, Medzibeh (Medziboz) and Zinkov - Abraham Joshua Heschel, mystic and philosopher - Zuckerman family of Roshkov - Yungerlieb family of Radziwillow
      • 2. Jeruchem family
      • 3. Rabinowitz Chassidic Dynasty of Linitz-Manisterich
  • Chapter XVI: Rabbi Meir Horowitz
    • Horowitz family Pedigree - Introduction
      • 1. Including Chassidic Masters R' Samuel Shmelke Horowitz of Nikolsburg and R' Phineas Horowitz of Frankfurt
      • 2. Klein Rabbinical Family of Hungary
      • 3. R' Isaac Hamburger Horowitz, Chief Rabbi of Hamburg - R' Meshullam Zalman Igra (Egra) of Pressburg - Schneebalg family
      • 4. Berenstein, Bernstein and Berend family - including chess master Joseph Berenstein - Lewinstein and Frensdorff families - Bochner and Weissman families
      • 5. Klatzko and Meltzer family of Vilna
    • Branch I - Descendants of R' Zvi Joshua Horowitz
      • Including the Bostoner Rebbes, Biderman, Brandwein and Weinstock Chassidic families
    • Branch II - Horowitz-Margareten family origins
    • Branch III - Descendants of R' Zvi Hirsch Horowitz (author of Machneh Levi)
      • Wigoder family of England, including Lord Basil T. Wigoder and Dr. Geoffrey B. Wigoder, editor-in-chief of the Encylopedia Judaica
    • Branch IV - Fruchter family of Hungary
    • Branch V - The Weinberger family of Dukla
    • Branch VI - Horowitz family of Stanislaw(ow)
      • Including the Chief Rabbis of Tymenitsa, Stanislaw, Koslow, Cracow and Antwerp - Sir George Wedenfeld, British publisher - Kliger family of Grayding - Rabbi I. Liebes of the New York Beth Din
    • Branch VII - Ropshitz (Ropczyce) Chadissic Dynasty
      • Horowitz family - including the Rebbes of Baranow, Biyetch, Dembitz, Dzikov, Jolin, Linsk, Maden, Mielec, Plontsch, Pokshavnitz, Riglitz, Rozvadow, Shendishov, Stachev, Stachin and Ulanow - Frankel family of Mielec-Lymanow - Zenwirth family - Avigdor family
      • Rubin family - including the Rebbes of Chechinov-Tamaszow, Dolina, Dombrovo, Glogow, Hussakow, Jaslo, Kerestier, Kortchin, Muszay (Muzhaya), Ropshitz, Rymanow, Rzeszow, Sasow, Sasregen, Sokolov and Sulitza - R' Shulem Rubin, Director of New York State Kosher Law Enforcement - Professor Herbert Rosenkrantz, microbiologist - Horowitz (Tenzer) and Glikman families
      • Weiz Chassidic Dynasty of Spinka
      • Moskovitz Chassidic Dynasty of Shatz
      • Rosenbaum family of Krechnev
      • Halpern (Heilprin) Chassidic Dynasty of Brzezany
    • Branch VIII - Horowitz family of Piotrkow
      • Including Srebrny and related families - Sir Leon Radzinowicz, British criminologist - Endelman familiy of physicians - Lazar Wechsler, film producer
  • Chapter XVII: Rabbi Isaac Eichenstein
    • Eichenstein Chassidic Dynasty of Zhidachov
    • Rokeach Chassidic Dynasty of Belz
      • 1. Including the Rebbes of Belz, Bilgoraj, Birch, Grayding, Hrubieszow, Jaroslaw, Karov, Koslow, Lubaczow, Magerow, Noveria, Ochan and Sokol
      • 2. Flam(m) family
      • 3. Lamm, Mund and Langner families
      • 4. Mayer Cassidic Dynasty of Alesk (Olesko)
      • 5. Zilberfarb family of Rovno
    • Rokeach and related families
      • 1. Bloch and Behrman families
      • 2. Friedland family, including bibliophile Moses Friedland (Bibliotheca Friedlandiana)
      • 3. Klatzco, Louria, Robinson, Lewin-Epstein and related families, including American family of physicians Louria - radio and television star, Florence Hayes - Israel Rokeach, founder of Rokeach kosher products
    • Shapiro Chassidic Dynasty of Lyzhansk-Mogielnica-Grodzisk
      • Including the Chassidic Master, Elimelech Lyzhankser - Gevertzman, Wagschal (of Frysztak), Wolkenfeld, Weissblum and Hopstein (Hofstein) families - Israeli poet Shin Shalom
    • Spira Chassidic Dynasty of Munkacs-Dynow
      • Including the Langsam family and the Rebbes of Birch, Blazowa, Bukovsk, Dynow, Kynyasd, Munkacs and Rybotycze
    • Teitelbaum Chassidic Dynasty
      • 1. Including the Rebbes of Chentskovitz, Drohobycz, Etshed, Gorlice, Hussakow, Ihel, Kolbuszowa, Nyibator, Satmar, Sighet, Stropkow, Tyachevo and Walowa
      • 2. Meisels family of Hungary
      • 3. Gottesman family of Lashkowitz
      • 4. Gross family
      • 5. Lipschutz family of Wielopole
      • 6. Glanz family
    • Unger Chassidic Dynasty
      • Including the Schapiro family Narol - author Menashe Ungar
  • Chapter XVIII: Rabbi Menachem Nachum Twersky of Chernobyl
    • Twersky Chassidic Dynasty of Chernobyl
      • Yunik family
      • Guttman family of Jassy
    • Branch A - (Chernobyl) - including the Rebbes of Azarinitz, Chernobyl, Loyev and Malin - Pechenik family of Berezno (Brezna) - Yuzefof family
    • Branch B - (Korystochev)
    • Branch C - (Cherkassy-Hornistopol) - Twerski family of Milwaukee - the Rebbes of Cherkassy and Hornistopol - Dr. Abraham J. Heschel Twerski, author and noted psychiatrist and his brother, Aaron David Twerski, College Dean and Law Professor
      • Schneersohn Chassidic Dynasty - the Lubavitcher Rebbes of New York
    • Branch D - (Drohobycz) - Dreabitcher family
    • Branch E - (Makarov)
    • Branch F - (Trisk) - including noted novelist Yochanan Twersky
    • Branch G - (Tolna) - including Isadore Twersky, author and Professor of Hebrew Literature and Philosophy - Chodorov family
    • Branch H - (Horodetzky)
    • Branch I - (Skivra) - including the Rebbes of Machnovka and Skvira
    • Branch J - (Rotmistrovke) - including the Rebbes of Rotmistrovke and Zlatopol


A surgeon, author, lecturer, Dr. Neil Rosenstein has accumulated as a result of five decades of investigative study of rare books and manuscripts, trips to libraries and cemeteries, travel and correspondence a vast matrix of material on Jewish genealogy, especially in the field of rabbinical dynasties for which he has become world famous.


Ha Magid CD-ROM

Besides his many books (see website above), he has produced a CD-ROM with the indexed obituaries of the first-ever Hebrew weekly, HaMagid, which was in print from 1856 to 1903.