| Sources |
- [S662] Daniel McLeod Peterson, McLeod, Stovall, Hinkle and Allied Families, (Private Printing, 1978), 18 Dec 2004, p. 120 (Reliability: 2).
- [S1280] population schedule, Precinct No. 3, (Johnson County, Texas, United States: William Gilmore Henkel household, 1880), 18 Dec 2004, micropublication T9, roll 1313. (Reliability: 2).
- [S1281] population schedule, Justice Precinct 1, (Jones County, Texas, United States: William Gilmore Henkel household, 1900), 18 Dec 2004, micropublication T623, roll 1650. (Reliability: 2).
- [S1301] population schedule, Carthage postoffice, (Leake County, Mississippi , United States: Mary Henkel household, 1870), 19 Dec 2004, micropublication M593, roll 736. (Reliability: 2).
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