Elizabeth Washington Lewis was the sister of George Washington, and the first daughter of Augustine Washington and Mary Ball Washington. She was born in Westmoreland County, Virginia in 1733 and married Fielding Lewis in 1750. They built a house, Kenmore House, in 1752. In later life, she stayed close with her mother, eventually, after Fielding died, moving in with her. She died in 1797 while visiting her daughter, Betty Lewis Carter. George Washington (February 22, 1732âDecember 14, 1799)[1] led Americas Continental Army to victory over Britain in the American Revolutionary War (1775â1783), and was later elected the first President of the United States. ... Augustine Washington (circa 1694 - 1743) is the father of George Washington. ... Mary Ball Washington was the wife of Augustine Washington and the mother of George Washington. ... Westmoreland County is a county located in the Northern Neck of the state of Virginia. ... Fielding Lewis was married to Elizabeth Betty Washington, the sister of the American President and Revolutionary War General George Washington. ...