It may be possible to confirm family relationships with Frances 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 Frances:
Sherward-1 and Sherwood-2194 appear to represent the same person because: see comment on Sherwood-2194 (re spelling of maiden name). Sherward-1 was attached as wife of Robert Walton-1546/mother of George Walton-1529 who were born in a different era. They have been detached & Sherward-1 can be merged with Sherwood-2194.