According to other trees on Ancestry.com she married Capt. John Wilson on 30 Apr 1837 in Tennessee.
I don't know if this is correct or not as many don't show their work.
I also find it odd that he has the same surname...so maybe we have 2 Lydias confused? Or maybe they were related somehow? or maybe he isn't related as Wilson is a pretty common name (at least these days).
So many questions and I really don't know and wish I did.
It may be possible to confirm family relationships with Lydia by comparing test results with other carriers of her ancestors' 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 Lydia: