It may be possible to confirm family relationships with Elizabeth 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 Elizabeth:
Howland-1191 and Howland-432 appear to represent the same person because: She is my 6G-grandmother (twice) via daughter Deborah's children Ruby and Myles. Documentation is summarized in the biography of her husband Ichabod Bonney.