"Michigan, Births and Christenings Index, 1867-1911," Ancestry.com, Online publication - Provo, UT, USA: Ancestry.com Operations, Inc., 2011.Original data - "Michigan Births and Christenings, 1775–1995." Index. FamilySearch, Salt Lake City, Utah, 2009, 2010. Index entries derived from digital copies of original and compile
"United States Census, 1900," index and images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/MS97-QZQ : accessed 25 May 2014), Edna Acker in household of Edward Acker, Iosco township, Livingston, Michigan, United States; citing sheet 7A, family 144, NARA microfilm publication T623, FHL microfilm 1240726.
"Michigan, Death Records, 1867-1950," Ancestry.com, Ancestry.com Operations, Inc., 2015, Provo, UT, USA
It may be possible to confirm family relationships with Edna by comparing test results with other carriers of her ancestors' 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 Edna: