Ancestors of Elvis Aaron Presley

The author of "Ancestors of Elvis Aaron Presley 50 Generations" has found his Great Grandfather and Grandmother to be from Germany.Also see Lorina Bolig's Book Review by Elvis Information Network at http://www.elvisinfonet.com/bookreview_bolig.html See her Interview at http://www.elvisinfonet.com/interview_lorinabolig.htmlPedigree collapse is a term created by Robert C. Gunderson to describe how marriages between cousins or other relatives, deliberate or unknowing, make family trees smaller than they could be.Link explaining Pedigree Collapse Herehttp://en.wikipedia.org/wiki/Pedigree_collapseCousin marriages or relatives marrying, you will end up with many people being related to the same ancestors. This will create duplicate lines in anyone's genealogy. Some ancestors can be related to the same person several hundred times. This is why Elvis has duplicate ancestors.