"United States Census, 1930," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:X7HR-D5J : accessed 7 February 2018), E Gwendolyn Brown in household of Arthur D Brown, Greene, Chenango, New York, United States; citing enumeration district (ED) ED 8, sheet 13B, line 83, family 424, NARA microfilm publication T626 (Washington D.C.: National Archives and Records Administration, 2002), roll 1416; FHL microfilm 2,341,151.
It may be possible to confirm family relationships with Gwendolyn 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 Gwendolyn:
Gwendolyn is 21 degrees from Geoffrey Chaucer, 24 degrees from AJ Jacobs, 24 degrees from Michelle Ladner and 24 degrees from Queen Elizabeth II Windsor on our single family tree. Login to find your connection.