George Washington’s beloved Mount Vernon began as a one and one-half story farmhouse built in 1735 by his father, Augustine, and received its well-known name during the ownership of his half-brother Lawrence. George acquired Mount Vernon in 1754, and over the next 45 years slowly enlarged the dwelling to create the resplendent 21-room residence we see today.
George Washington Parke Custis, 1781-1857. He was the step-grandson (and adopted son) of United States President George Washington, was a nineteenth-century American writer, orator, and agricultural reformer. He was the grandson of Martha Washington through her first marriage to Daniel Parke Custis. he inherited vast sums of money, land and slaves. During the War of 1812, Custis volunteered in the defense of Washington, D.C., at the Battle of Bladensburg. Cousin, Arledge line.