Of these, of course, some were Rosicrucians but not all of them.   It was the practice not to accept new members into the Rosicrucians in the colonies but, rather, to send to Europe for replacements, especially if in need of those trained in the tradition of perfecti, or members of the Zionitic Brotherhood.  So in addition to the changes brought on following Kelpius’ transition, you can easily see that there would have been relatively few Rosicrucians at Ephrata.