2nd row, L to R
1.) Don't know
2.)GERMAN NAVY KRIEGSMARINE AUXILIARY CRUISER WAR BADGE
3.)Kreigsmarine Destroyer badge
4.)Kreigsmarine U-Boat badge
5.)Kreigsmarine mine-destroyer badge
6.)Hitler Youth proficiency badge (upside down)
1.) 1934-1941 Ready for Medical Defense of the USSR badge.
5.) WW1 (and 2?) era medal ribbon bar (L to R - Hindenburg medal (missing crossed swords), don't know (possibly Prussia service medal???), Iron Cross 2nd Class, and what appears to be the Anschluss of Czechoslovakia medal?
I'm leaning towards the Friedrich-August-Kreuz for the unknown ribbon:
https://en.wikipedia.org/wiki/Friedrich-August-Kreuz
Nice work on the medal identification Brookwood, that was difficult.
The Auxiliary, destroyer, U-boat and EKII spange look to be in almost mint condition which led me to ask to see the reverse. It sounds like you've done your homework and this group adds up.