Hi all ...
The 'Henneberg' info was added to my site on Sunday, April 11th. There are a few little things missing that I will add a little later when I get the info verified.
I would like to shed some light on the different writing styles of 'ILMENAU', also seen as 'JLMENAU' : In old German lettering, upper case 'I' and 'J' were the same letter. There was no difficulty in distinguishing the letters in use, because 'I' only appeared before a consonant, and 'J' only before a vowel ...