I have found a great website that traces your roots by a cheek scrape type dna sample you submit. Here is a link to the Stehli etc. family link so you can look.
http://www.familytreedna.com/(dosq3u554npr4frjbqie0ni3)/publ...Here is a link to their main webpage
http://www.familytreedna.comMy 12 marker test cost around $100 and different types of tests are available, so check them all out.
Take Care
Ron Stailey
