It may be possible to confirm family relationships by comparing test results with Connie or other carriers of her ancestors' mitochondrial DNA.
Mitochondrial DNA test-takers in the direct maternal line:
Family Tree DNA mtDNA Test Full Sequence, haplogroup H2a1f, FTDNA kit #168247, MitoYDNA ID T14900[compare]
It is likely that these autosomal DNA test-takers will share some percentage of DNA with Connie:
AncestryDNA, GEDmatch T008538[compare], yourDNAportal CONb553ef99, Ancestry member Constance_D_Graham
Family Tree DNA Family Finder, GEDmatch T008538[compare], yourDNAportal CONb553ef99, FTDNA kit #168247