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| Father | Male John Hallmark |
| Born | 15 Jul 1775 | Virginia, United States |
| Died | 15 Feb 1840 | Houston, Harris, Texas, United States |
| Buried | Feb 1840 | |
| Married | 12 Aug 1801 | Knox, Tennessee, United States |
| Father | George Hallmark | F912 Group Sheet | |
| Mother | Leannah Mynatt | F912 Group Sheet | |
| Mother | Female Amey Satterwhite |
| Born | 10 Dec 1785 | Tennessee, United States |
| Died | 12 Jul 1860 | Houston, Harris, Texas, United States |
| Buried | Jul 1860 | |
| Father | ||
| Mother | ||
| Child 1 | Female Mary Hallmark |
| Born | 1 Aug 1802 | Harris, Georgia, United States |
| Died | Yes, date unknown | |
| Buried |
| Child 2 | Male George Hallmark |
| Born | 1805 | Harris, Georgia, United States |
| Died | Aft 1860 | |
| Buried | Aft 1860 |
| Child 3 | Male David Monah Hallmark |
| Born | 4 Apr 1809 | Harris, Georgia, United States |
| Died | 23 Apr 1895 | Houston, Harris, Texas, United States |
| Buried | Apr 1895 | Houston, Harris, Texas, United States |
| Child 5 | Female + Mourning Hallmark |
| Born | 31 Jul 1814 | Harris, Georgia, United States |
| Died | 24 Feb 1885 | Freestone, Texas, United States |
| Buried | Feb 1885 | Dew, Freestone, Texas, United States |
| Spouse | James Madison Hallmark | F1099 | |
| Married | 1837 | Houston, Harris, Texas, United States |
| Child 7 | Male Stephen Wilburn Hallmark |
| Born | Abt 1816 | Georgia, United States |
| Died | Yes, date unknown | |
| Buried |
| Child 8 | Female + Sarah Hallmark |
| Born | 1819 | Georgia, United States |
| Died | Aft 1880 | |
| Buried | Aft 1880 | |
| Spouse | Alfred M Hallmark | F1100 | |
| Married | 1842 | |
| Child 9 | Female + Amey Anna Hallmark |
| Born | 17 Jul 1825 | Harris, Georgia, United States |
| Died | 1908 | Haskell, Texas, United States |
| Buried | 1908 | Haskell, Haskell, Texas, United States |
| Spouse | Matthew Dewey Thomas Hallmark | F1101 | |
| Married | 1843 | Houston, Harris, Texas, United States |
| Child 11 | Male + John Thomas William Jefferson Hallmark |
| Born | 19 Apr 1829 | Georgia, United States |
| Died | 19 Jun 1912 | Mart, McLennan, Texas, United States |
| Buried | Jun 1912 | Mart, McLennan, Texas, United States |
| Spouse | Martha Ann Wilcox | F1062 | |
| Married | Abt 1851 | Crockett, Houston, Texas, United States |
| Child 12 | Male Thomas Griffin Hallmark |
| Born | 1834 | Georgia, United States |
| Died | 25 Oct 1885 | Crockett, Houston, Texas, United States |
| Buried | Oct 1885 | Houston, Harris, Texas, United States |
| Child 13 | Female Elizabeth Hallmark |
| Born | 1838 | Houston, Harris, Texas, United States |
| Died | Yes, date unknown | |
| Buried |