Hi Philip,
This question is years old, and maybe you've found more info by now. I see on MyHeritage that they claim to list both parents for Moses. Both are listed on the Kellerman/Altura Family Tree on Ancestry.com. There are also some Jewish records now. And, there are lots of Germany and surrounding residential records, probably too new. I don't have a subscription to either, but may gets you started again... Good luck, Rick