Anne died shortly after his graduation from West Point at the age of 56.|Washington-Custis-Lee Collection, Washington and Lee University, Lexington, Virginia; E.
In 1904, Robert published his , an account of his memories of his father and the daily life at Arlington house.|Courtesy of Arlington House, the Robert E. and Mary Lee, Mildred Childe Lee was called "Precious Life" by her father.
It was taken over by Union forces in 1861 after a provision was made to seize and confiscate the property of persons engaged in armed rebellion against the United States, and in 1864 the property was officially turned into a national cemetery.|Library of Congress; map of Arlington Estate includes the mansion, chapel, slave cabins, Arlington Springs buildings, and slave cemetery.|Courtesy of Arlington House, the Robert E.
Lee Memorial; eldest son, George Washington Custis Lee, graduated first in his class from West Point and, like his father, began his career as an engineer.
He was 63.|Library of Congress; print of Lee and Joseph E.
Johnston was sold to raise funds for the Lee Monument in Richmond in 1870.
Lee Memorial; Custis Lee, called "Sister", was the first of Robert E. Slightly detached from life at Arlington, Sister never assumed household responsibilities or accompanied the family on holidays away from the estate.