Nannie Mack Hudson was born on 22 Apr 1882, to John Crockett Hudson and Amanda Jane (Wilson) Hudson.  She was the 2nd wife of Andrew Wright (her sister Willie's first husband) and they had four children: Roy, Cassie, Cora, and Sarah. 
It may be possible to confirm family relationships with Nannie 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 Nannie: