Frank Heidermanns’ website presents his professional and personal interests in linguistics and genealogy, with an additional focus on localization. The linguistics section outlines his career and provides listings of his scholarly publications and talks, particularly in Indo-European studies. Visitors can explore this work through dedicated pages for his background, publications, and lectures.

The genealogy section offers access to an extensive ancestry database centered on the Heidermanns and Herminghaus families. Its resources include information about people, families, places, occupations, notable names, prominent ancestors, and family trees, alongside indexes, references, literature, and explanatory notes. Search and parallel-list features help visitors navigate the material.

The site is maintained by Frank Heidermanns, who invites visitors seeking further information to get in touch. Overall, it serves as a personal information resource for those interested in his academic work and in genealogical research related to the families represented in his database.