Military regiments franco prussian war

I recall three regiment numbers 4,or five,6 for regiment numbers and two for captain rank. fifth or sixth. And so even with this list it is not as easy as it looks. And 127th or 128 infantry. For his Oldendorf/Nahrendorf residence.???
So here is a link address for morman military films. Hope it is easier for someone.

I am attempting to find my Jurgen Hch. Wilm Meyer captive area at Metz, Lorraine. At christmas day he was taken prisoner
I learned of a book also which is sold out. Perhaps library exchange.
Anyone else know of any good sources[ besides military mailing list] for casualties and prisoners of war for that war. Any else find theirs.
I think french sources may be it.
jo meyer