| Sources |
- [S112] Wellington Pioneer Cemetery (Sumner County, Kansas), Kansas, Sumner County -- Wellington Pioneer Cemetery, Jemima E. Martin marker, photographed by Della Shafer. (Reliability: 2).
- [S331] Shafer, Della -- Personal Research, "Sumner County Surname," 31 December 2005; email from Della Shafer (Reliability: 3).
- [S335] Kansas, Sumner County, 1880 U.S. Census Population Schedule, Kansas, Sumner County, (https://www.familysearch.org/search/collection/1417683: National Archives and Records Administration, 2010), T9, Belle Plaine, enumeration district (ED) 190, p. 78 (stamped), dwelling 179, family 185, J. P. Martin, accessed 27 Feb 2022 (Reliability: 2).
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