Karen

You might like to have a read of some the material in the DNA area on the DFHS website which explains how DNA testing works:

http://www.devonfhs.org.uk/

If you wish to use DNA testing to explore your Denbury surname you would need to find a male Denbury relative to take a Y-chromosome test on your behalf. This testing can be done through the Devon DNA Project:

https://www.familytreedna.com/groups/devon/about/background