Grace Jenkins Johnson, granddaughter of Emma Smith, as interviewed extensively on video by Emma's granddaughter Eleanor Stockman Simonds. Gracie and her sister Jessie were largely raised by Emma and Adrean after their mother died young. The video footage is in the possession of many descendants of Emma and Adrean.
Autosomal DNA Triangulation. The following GEDmatch IDs belong to descendants of Emma Smith: A257419 (son Charles Stockman's daughter), A862784, A724226 (son Charles Stockman's grandchildren through a different daughter), A456300 (daughter Ida Stockman's great-granddaughter), GEDmatch IDs A099330 and A904638 belong to descendants of Emma's full brother, Joseph Richard Smith. Some of the segments shared among these descendants are also shared by descendants of Emma Smith's half-siblings (private profile at 23andMe) and many of Emma's close cousins (too many to list).
It may be possible to confirm family relationships with Emma 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 Emma: