Hi
Andy,
Unfortunately, when I began to "collect" names, I didn't note the sources (many different name books and language books from libraries etc.). And Otgiva and its relatives is one of those "no-source-known"-names. So I'm not sure where I found it :(
You've got Seibicke's HDV-books?
Lucky you!!! You must be a rich man ;) I would love to have them, but I don't think I'd ever spend 842,00 EUR to buy four books! I haven't even found a library which offers them. They probably think that's too expensive, too!
Satu