It may be possible to confirm family relationships by comparing test results with Leandra or other carriers of her ancestors' mitochondrial DNA.
Mitochondrial DNA test-takers in the direct maternal line:
Family Tree DNA mtDNA Test, haplogroup U5a1b, FTDNA kit #516819
It is likely that these autosomal DNA test-takers will share some percentage of DNA with Leandra:
AncestryDNA, Ancestry member cruznk9
Autosomal DNA Test