Hey Everyone!
I found a wonderful Web site created by a woman named Ellen Louis Gruver-Magee. It contains a Gedcom tree for Gruber/Gruver/Grover/Blakely/Hittle/Yaple/Barnett. It also contains genealogy reports for descendants of Martin J.B. Campbell, Christian (Jappel)Yaple, Hans Peter (Gruber) Gruver and (Hittel) Hittle, as well as family photos. Check it out at:
http://familytreemaker.genealogy.com/users/m/a/g/Louise-Mage...She really did a great job! Enjoy!