Become a Member
Join CGSI to build on the vast knowledge and experience of several thousand members, as well as the invaluable information in our quarterly journal publication and our research collection.
Research and connect with families from the Czech and Slovak ancestral lands. CGSI focuses on the areas of the present-day Czech Republic and Slovakia. This includes Bohemian (Czech), German-Bohemian (Böhmisch), Hungarian, Jewish, Moravian, Rusyn (Ruthenian), Silesian, and Slovak ancestry.