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Born Martha Wayles in 1748, Martha Jefferson was the first and only wife of President Thomas Jefferson. She, however, never got to fulfill any duties as first ladyâshe died years before he was elected president.
Hemings was the youngest of six siblings by the planter John Wayles and his mixed-race slave Betty Hemings; Sally was three-quarters European and a half-sister of Jefferson's wife, Martha Wayles Skelton.emings had six children of record born into slavery; four survived to adulthood. Hemings was a domestic servant in Jefferson's house until his death. The historical question of whether Jefferson was the father of Hemings' children is known as the JeffersonâHemings controversy.