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Vítáme Vás! (We welcome you!)

Research and connect with families from the Czech and Slovak ancestral lands.

CGSI focuses on the areas of present-day Czech Republic and Slovakia. This includes Czech (Bohemian), German-Bohemian (Böhmisch), Hungarian, Jewish, Moravian, Rusyn (Ruthenian), Silesian, and Slovak ancestry.

CGSI has over 2,000 members residing in the United States, Canada, Czech Republic, Slovakia, and other countries, providing a vast networking opportunity to learn and share information, and connect with fellow members.

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Czechoslovak Genealogical Society International (CGSI) wants to help you research and connect with your family history.

We are dedicated to genealogical research and interest in descendants of ethnic groups with roots from the Czech and Slovak ancestral lands of Central Europe.

Czech and Slovak Republic (Outlines with Maps)
Sections

What Members Say

Brno, Moravia
I credit CGSI for being able to access and decipher the records of my ancestors, as I found such helpful articles in your archives after joining - I will be forever grateful to your organization for that!
Jody D., Kennebunk, Maine, USA

News & Events

Are you interested in expanding your Czech genealogy skills? Beginning in January 2025, CGSI is partnering with Sokol Minnesota to offer the online course "Genealogie; hledáme své předky (Genealogy: Looking for Our Ancestors)" from the…
Saturday, November 23, 2024 at 1:00 – 2:00pm (CDT)
Join us at the 2025 CGSI 20th Genealogical/Cultural Conference! The conference will be held October 28–November 1, 2025, at the DoubleTree by Hilton Hotel Kansas City - Overland Park located outside of Kansas City, Kansas.
Nov
22

81st Holiday Folk Fair International – Wisconsin [festival]

America’s Premiere Multicultural Festival... Explore the World of Music, Food, Dance, and Arts. Travel Around the World and celebrate the cultural heritage of the people living in southeastern Wisconsin including Czech, Slovak, German…
Nov
23

CGSI 2024 Annual Membership Meeting (online event)

CGSI 2024 Annual Membership Meeting & Election of Officers (online event)
Dec
02

Czech Language Class – BVCHS – Bryan, Texas [class]

Brazos Valley Czech Heritage Society (BVCHS) will again be offering a Czech Language class this fall. The class will address basic Czech language and Czech culture and is open to anyone interested. Class meets every Monday, September 9…
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