It may be possible to confirm family relationships by comparing test results with Ann or other carriers of her ancestors' mitochondrial DNA.
Mitochondrial DNA test-takers in the direct maternal line:
Family Tree DNA mtDNA Test HVR1 and HVR2, haplogroup V-C16298T!, FTDNA kit #896906 +
Mitochondrial DNA Test Full Sequence, haplogroup V-C16298T!
It is likely that these autosomal DNA test-takers will share some percentage of DNA with Ann: