Hi Sean can't help with the Doebke line...but do have the Greves back to the 1500's somehwere. I am the GGG Grandaughter of Johann Gerhard Greve.(and Catherine Marie Ottman)..good friend of Johann Sunderlage and brother of your Catherine Greve. So a distant cousin! :o) Did you know that Catherine Greve's parents are also buried in the family cemetery? I had sent an inventory to the list if you need that cemetery information. I am a MEYER OTTMAN GREVE the other families that came over from Badbergen and neighbors with your Sunderlages...1838. We were in visiting the Sunderlage home this past year. Just wanted to say HI. Write me at [email protected]! Laurie