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- [S56744] Obituary, Find-a-Grave, Minnie Ellen Walton.
- [S56745] Obituary, The Topeka Capital-Journal (KS), Alma Simpson Sisk, (December 3, 2010).
- [S56743] 1940 census, Kansas, Doniphan county, Year: 1940; Census Place: Denton, Doniphan, Kansas; Roll: m-t0627-01229; Page: 2A; Enumeration District: 22-11 (Reliability: 3).
- [S53585] SSDI: Social Security Death Index, Name: Alden Simpson SSN: 498-24-9034 Last Residence: 66070 Ozawkie, Jefferson, Kansas, USA BORN: 8 Aug 1912 Died: May 1982 State (Year) SSN issued: Missouri (Before 1951) (Reliability: 3).
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