"Michigan, County Marriages, 1820-1940," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:FCXR-4JY : 11 May 2018), Abraham L. Lawrence and W. Maud Seymour, 30 Jan 1901; citing reference ID , various county clerks and libraries, Michigan; FHL microfilm 984,231.
"United States Census, 1920," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MZ7M-TGJ : accessed 15 March 2019), Maude Lawrence in household of Abe L Lawrence, Crockery, Ottawa, Michigan, United States; citing ED 123, sheet 5A, line 37, family 109, NARA microfilm publication T625 (Washington D.C.: National Archives and Records Administration, 1992), roll 792; FHL microfilm 1,820,792.
It may be possible to confirm family relationships with Wilma 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 Wilma: