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If your Japanese ancestor arrived upon the shores of the United States, you're in luck; American documents are fairly easy to find, which means your ancestor will more than likely show up in some archived record. However, tracking your ancestors while they were still residents of Japan can make genealogical research something best undertaken with a guide, translator, and maybe a nice trip to Japan. There, you just may find in government repositories, valuable family registries (koseki) and death registries (kakocho).

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Koseki and Kakocho Information

Finding a Koseki excellent and complete resource
Beginning Research in Japanese Genealogy Koseki and other records covered
Jeff Morita's Method for Obtaining Kakocho You'll have to know how to write and speak Nihongo

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General questions about Japan For queries regarding cities, prefectures, general geography
Nikkei Ancestry

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