In the Search box, type in just the surname Meyer. This takes you to a page labeled MEYER Genealogy. Sort on NAME by clicking on the word at the top of the name column. Scroll down (on page six).
There are Johan and Johann and assorted spellings of Frederick some with second middle names. They aren't all together in a tight lump. But they are close by if you look for them.
Of course these are just the JFM's on wikitree. I'm sure there are more in the world that aren't listed here.
