I know a lot of people are confused by their DNA test results. While I can't help with records I can help with interpreting DNA. I would suggest not relying on one commercial company, such as ancestry, but uploading your raw DNA to multiple databases and looking for patterns. Don't read the percentages as literally meaning you are something, such as "5% Jewish." Pay attention to how reference groups are divided in each individual database. For example, DNAland has a different population for "Ba