Quote Originally Posted by Tellos Athenaios

(As a side note: you can search as much in the TLG yet not find that word.)
This is probably true, but masculine patronymics (="named after the father", loose translation) in Greek are formed with the -ades, -ides (e.g. Alkibiades, Atreides), suffix in general and they are 1st declension, so the plural is formed accordingly. ;)

Nvm, keep up the good work. :)