Thomas Posey was an officer in the American Revolution

American Revolution

The American Revolution was the political upheaval during the last half of the 18th century in which thirteen colonies in North America joined together to break free from the British Empire, combining to become the United States of America...

, a general during peacetime, the third Lieutenant Governor

Lieutenant Governor of Kentucky

The office of lieutenant governor of Kentucky has existed under the last three of Kentucky's four constitutions, beginning in 1797. The lieutenant governor serves as governor of Kentucky under circumstances similar to the Vice President of the United States assuming the powers of the presidency...

 of Kentucky

Kentucky

The Commonwealth of Kentucky is a state located in the East Central United States of America. As classified by the United States Census Bureau, Kentucky is a Southern state, more specifically in the East South Central region. Kentucky is one of four U.S. states constituted as a commonwealth...

, Governor of the Indiana Territory

Indiana Territory

The Territory of Indiana was an organized incorporated territory of the United States that existed from July 4, 1800, until November 7, 1816, when the southern portion of the territory was admitted to the Union as the state of Indiana....

, and a Louisiana

Louisiana

Louisiana is a state located in the southern region of the United States of America. Its capital is Baton Rouge and largest city is New Orleans. Louisiana is the only state in the U.S. with political subdivisions termed parishes, which are local governments equivalent to counties...

 Senator.
Thomas Posey was born on the banks of the Potomac River

Potomac River

The Potomac River flows into the Chesapeake Bay, located along the mid-Atlantic coast of the United States. The river is approximately long, with a drainage area of about 14,700 square miles...

 on a farm adjacent to Mt Vernon

Mount Vernon, Virginia

Mount Vernon is a census-designated place in Fairfax County, Virginia, United States. Nearby CDPs are Fort Belvoir , Groveton, Virginia and Hybla Valley, Virginia , and Fort Hunt, Virginia...

 in Fairfax County, Virginia

Fairfax County, Virginia

Fairfax County is a county in Virginia, in the United States. Per the 2010 Census, the population of the county is 1,081,726, making it the most populous jurisdiction in the Commonwealth of Virginia, with 13.5% of Virginia's population...

 on July 9, 1750. According to his own account, he was "born of respectable parentage." Throughout his life Posey was dogged by rumors that he was the illegitimate son of George Washington

George Washington

George Washington was the dominant military and political leader of the new United States of America from 1775 to 1799. He led the American victory over Great Britain in the American Revolutionary War as commander-in-chief of the Continental Army from 1775 to 1783, and presided over the writing of...

. The rumor persisted even after his death and was the subject of several newspaper articles.