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TADOROOTS ARCHIVE

Roots Journal

Practical guides on koseki records, Japanese ancestry research, and tracing your Nikkei roots — written in English, for people who don't read Japanese.

AllNikkei Roots

13 articles

Six Generations, One Page: How to Read a Japanese Family Tree
Nikkei Roots

Six Generations, One Page: How to Read a Japanese Family Tree

The finished document arrives, and it doesn't read like a Western pedigree chart. Here's how to actually make sense of it.

2026.09.22

Not sure where to start looking?

Tell us what you know — even a single name or place is often enough. We'll outline what's possible, in English.

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Adopted and Curious About Japanese Ancestry? Where to Start
Nikkei Roots
Adopted and Curious About Japanese Ancestry? Where to Start
2026.09.17
What Is a Kamon? Understanding Your Family's Crest
Nikkei Roots
What Is a Kamon? Understanding Your Family's Crest
2026.09.16
Tracing a Japanese Brazilian Family: What's Different From US-Based Research
Nikkei Roots
Tracing a Japanese Brazilian Family: What's Different From US-Based Research
2026.09.15
Japanese American Family History and WWII Incarceration Records
Nikkei Roots
Japanese American Family History and WWII Incarceration Records
2026.09.14
Understanding Honseki: Why Your Ancestor's "Registered Address" Isn't Where They Lived
Nikkei Roots
Understanding Honseki: Why Your Ancestor's "Registered Address" Isn't Where They Lived
2026.09.11
What Your Family's Emigration Story Can Tell You Before You Ever Contact Japan
Nikkei Roots
What Your Family's Emigration Story Can Tell You Before You Ever Contact Japan
2026.09.10
Started with a DNA Test? Here's What to Do With a Japanese Ancestry Result
Nikkei Roots
Started with a DNA Test? Here's What to Do With a Japanese Ancestry Result
2026.09.09
Who Can Request a Koseki? Direct Descendants, Third Parties, and What Each Needs
Nikkei Roots
Who Can Request a Koseki? Direct Descendants, Third Parties, and What Each Needs
2026.09.04
Tracing Your Nikkei Roots: What the Koseki Can (and Can't) Tell You
Nikkei Roots
Tracing Your Nikkei Roots: What the Koseki Can (and Can't) Tell You
2026.09.03
How to Find Your Japanese Ancestors When You Don't Read Japanese
Nikkei Roots
How to Find Your Japanese Ancestors When You Don't Read Japanese
2026.09.02
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