It may be possible to confirm family relationships with Amanda by comparing test results with other carriers of her mitochondrial DNA.
However, there are no known mtDNA test-takers in her direct maternal line.
It is likely that these autosomal DNA test-takers will share DNA with Amanda:
I was looking at the fact that I am related to both Loretta Webb Lynn and Valarie June Carter Cash. I am 100% certain that they are related, as their Butcher families came from the same town. I just don't know where the meet. I just thought I'd share that with you.