Don't know where your grandad got the Wehrpass, but highly unlikely it came from the individual. The soldier carried a Soldbuch, the Wehrpass was turned in and kept at higher HQ durring the time the individual was in the military. Any entries made in the Soldbuch was also made in the Wehrpass. If he got killed the Wehrpass was sent to the next of kin.
Calling illegal aliens undocumented immigrants is like calling drug dealers unlicensed pharmacists!
LIFEMEMBER: NRA, VFW, DAV, SFA, SOA, 281.AHC Assoc & CAF