Czechoslovak Genealogical Society International
Czechoslovak Genealogical Society International (CGSI) is dedicated to genealogical research and interest in descendants of ethnic groups with roots from the Czech and Slovak ancestral lands of Central Europe.
Basic Information
- Category: genealogy
- Website: https://cgsi.org/
Documented Facts
- Phone: (651) 964-2322
- Email: info@cgsi.org
Evidence and Sources
Citation Guidance
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- Last verified: 2026-04-22
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