George Washington Parke Custis was the son of John Parke Custis who was the stepson of George Washington. Custis' mother was Eleanor Calvert. He grew up at "Mount Vernon" after the death of his father. He married Mary Lee Fitzhugh and lived at "Arlington." His daughter Mary Anna Randolph Custis married Robert E. Lee. George Washington Parke Custis was a playwright and agricultural reformer. Further information about this individual or organization may be available in the Special Collections Research Center Wiki: http://scrc.swem.wm.edu/wiki/index.php/George Washington Parke Custis.