GW's younger brother John Augustine Washington (1736–1787), who lived at Bushfield in Westmoreland County, Virginia, had inherited land in Frederick County which lay near GW's Bullskin plantation. He was a member of the Westmoreland County committee of safety and apparently an officer in the Westmoreland independent company. He represented his county at the third Virginia convention during the summer of 1775 and at the fourth Virginia convention the following winter. John Augustine Washington, became resident manager of Mount Vernon while GW was serving as colonel of the Virginia Regiment on the frontier in the years following Braddock's defeat. “Jack,” as GW called him, brought his bride, Hannah Bushrod Washington, to Mount Vernon in 1756 and lived there until 1758.