Mary Anna Randolph Custis Lee was the wife of the Confederate general Robert E. Lee and the last private owner of Arlington Estate. She was the daughter of George Washington Parke Custis who was the grandson of Martha Washington, the wife of George Washington. Lee was a highly educated woman, who edited and published her father's writings after his death.

Robert Edward Lee was a Confederate general during the American Civil War, toward the end of which he was appointed the overall commander of the Confederate States Army. He led the Army of Northern Virginia—the Confederacy's most powerful army—from 1862 until its surrender in 1865, earning a reputation as a skilled tactician.