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Genealogy Jungle:
The Blog
I'm Mattan Segev-Frank, a historian, genealogist, and storyteller, and I'm thrilled to take you with me on a journey through the fascinating world of genealogical research. In this blog, I will share stories of my research discoveries as well as shed light on remarkable historical figures I’ve encountered along the way. You can expect insights into various research methods, valuable sources, and the rich narratives that breathe life into family histories. Together, we'll navigate the intricate pathways of our past, uncovering hidden gems that connect so many people. Join me as we explore adventures through genealogy and celebrate the stories that should not be forgotten!
Jewish Ancestry


What History Left Untold: New information on Rudolf Vrba’s family
New research on Rudolf Vrba’s family reveals overlooked details about the parents, half-siblings, and wartime fate of the family of one of the best-known Auschwitz escapees. Based on archival and genealogical sources, this post reconstructs family ties, corrects elements of the received story, and commemorates relatives who remained at the margins of Holocaust memory.

Mattan Segev-Frank
Mar 2613 min read


From Family Trees to an International Conference on Jewish Genealogy in Central Europe: Why I temporarily disappeared from my own Genealogy Jungle (and why you should come to Vienna)
Why Genealogy Jungle went temporarily silent and how it led to a new international conference on the Jewish history and genealogy of Central Europe in Vienna. Discover research, stories, and networking for anyone tracing Jewish family history in Central Europe.

Mattan Segev-Frank
Mar 165 min read


The Grünwald family, Moravian Descendants of the "Panim Meirot". Part 1 of 2.
This post continues my family research tracing the descendants of Rabbi Meir Eisenstadt, the “Panim Meirot.” Using archival records and classic rabbinic sources, I uncover Grünwald family, a Moravian branch of his lineage, clarify names, dates, and family links, and reconnect forgotten lives to documented history.

Mattan Segev-Frank
Dec 19, 20259 min read


A New Beginning: The Launch of the Association for Central European Jewish History and Genealogy
Historian, genealogist and Storyteller Mattan Segev-Frank shares the launch of CEJHG - a new international association connecting scholars and enthusiasts of Central European Jewish history and genealogy around the world.

Mattan Segev-Frank
Oct 14, 20253 min read


A Wedding in Rio and Family Reunions Across Generations
In Brazil I celebrated my nephew’s wedding, reunited family across continents, and lectured at Rio’s Edmond J. Safra Synagogue on Jewish roots in Central Europe. And while at it, I reconnected two branches of a family separated for nearly a century. A journey where genealogy, history, and love intertwined.

Mattan Segev-Frank
Sep 5, 20255 min read


The Men of the Frank Family, Part III: Post-War Resilience
Explore the Frank family's journey of resilience in the aftermath of WWII. Follow Tamás Frank as he escapes to Brazil, leaving behind a war-torn Europe and facing new beginnings. Discover how his family navigates challenges under communist regimes and reconnects across continents. This final chapter of the trilogy highlights their enduring spirit and the bonds that held them together despite the odds. Dive into a compelling story of survival, hope, renewal and loss.

Mattan Segev-Frank
Jun 12, 202515 min read


The Men of the Frank Family, Part II: Survival in a crazy world
Join the Frank family as they navigate the chaos of WWII. In this second installment, discover their brave attempts to survive a world turned upside down. Amidst the turmoil, Arnold and Terezia Frank make life-changing decisions while their sons find paths of their own. This emotional journey transforms scattered memories into a cohesive tale of resilience and hope. Explore their survival against all odds, and stay tuned for the third chapter in this trilogy.

Mattan Segev-Frank
Jun 2, 20258 min read


The Men of the Frank Family, Part I: Shattered Hopes
Explore the interwoven tales of the men of the Frank family before WW2, focusing on Arnold Frank and his two sons Juraj and Tamás. This in-depth narrative delves into their lives before the war, highlighting the uncertainty of life between the two world wars. The story uncovers family dynamics, cultural transitions, and the impact of historical events, offering a poignant tribute to their legacy. Join me on this journey of remembrance and uncover untold stories of courage and

Mattan Segev-Frank
May 26, 202511 min read


Palárikovo part 3: Viliam & Aranka Frank, Štefánikova Street's ״New״ Residents.
Uncovering the mysteries of Viliam & Aranka Frank, new owners of the house in Štefánikova Street in Palárikovo.

Mattan Segev-Frank
Apr 22, 202511 min read


Palárikovo Part 2: The house on Štefánikova Street
First part of the story of a special house that stands on Štefánikova St. in the heart of the Slovak village Palárikovo and in my own heart

Mattan Segev-Frank
Apr 5, 20258 min read


Guilty by association: the great value of intertwining family trees
How the choice to embrace intertwining family trees has enriched my genealogical toolbox and aided in unraveling my family's mysteries

Mattan Segev-Frank
Mar 16, 20255 min read
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