| Sources |
- [S1927] Minnesota Historical Society, Minnesota, Birth Index, 1900-1934, ((http://www.ancestry.com : 2015)), accessed 10 Jan 2025), Willfred Frank Nelson, 1925, Hennepin County; certificate no. 1925-11121. (Reliability: 3).
- [S1946] Minnesota Department of Health, Minnesota, Death Index, 1908-2017, ((http://www.ancestry.com : 2001)), accessed 10 Jan 2025), Wilfred Frank Nelson, 1936, Hennepin County; certificate no. 005734. (Reliability: 3).
- [S2304] Minnesota. Minneapolis., Minneapolis Star Tribune, "DEATH NOTICES," 17 Mar 1936, p. 22, col. 3; digital images, Newspapers.com (http://www.newspapers.com : accessed 10 Jan 2025). (Reliability: 3).
- [S2289] Minnesota Association of County Officers (MACO), Minnesota, U.S., Marriages from the Minnesota Official Marriage System, 1850-2022, ((http://www.ancestry.com : 2022)), accessed 10 Jan 2025), Nelson-Kellar, 1919, Hennepin County; certificate no. 2200139. (Reliability: 3).
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