He was very wealthy, nonetheless, and in large part because of his marriage to Martha Custis. His wealth was in land, upwards of 54,000 acres, including some 8,000 acres at Mount Vernon, another 4,000 acres in Virginia’s Dismal Swamp, nearly all of which he had acquired for speculation. In addition, he owned more than one hundred slaves, another measure of great wealth, whose labors made possible his whole way of life.

