She was originally connected to her grandparents, but that means her father would have died before she was born. According to the lineage on FamilySearch, she was the daughter of Nicholas Gassaway, although that lineage has not yet been sourced. -- Fiscus-32 23:58, 28 July 2017 (EDT)
It may be possible to confirm family relationships with Lucy 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 Lucy: