My direct line, from left to right: 

Edward Teague (1660-1696/7)

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Isaac Teague, Sr. (1747 - 1824)

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Charles Taylor Teague (1847 - 1927)

William Teague, Sr. (1693-1775)

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Isaac Teague, Jr. (1782 - 1857)

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Lee Robert Teague (1888 - 1966)

Moses Teague, Sr. (1718 - 1799)

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John Robin Teague (1807 - 1891)

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The following are not in my direct line of ancestors, but are siblings and are worthy of note

Sons of Isaac Teague, Jr. (1782 - 1857):

Evan L. Teague (1816 - 1882)

Jehu Teague (1819 - 1909)

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Son of John Robins Teague (1807 - 1891)

Jasper N. Teague (1836 - 1922

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History of the 7th Tennessee Volunteer Cavalry; Civil War

The 7th Tennessee Cavalry was the unit that three sons and one nephew of John Robin Teague served in.