, was born about 3691. He was the eldest son of Thomas, fifth lord
, was born about 3691. He was the eldest son of Thomas, fifth lord Fairfax, of Cameron, in the kingdom of Scotland, by Catherine, only daughter and heiress of Thomas lord Culpepper; in whose right he afterwards possessed Leeds Castle, with several manors and estates in the county of Kent, and in the Isle of Wight; and that immense tract of country comprised within the boundaries of the rivers Potowmac and Rappahannoc in Virginia, called the Northern Neck; containing by estimation live millions seven hundred thousand acres. He had the misfortune to lose his father while young; and at his decease, he and his two brothers, Henry and Robert, and four sisters, one of whom, Frances, was afterwards married to Denny Martin, esq. of Loose, in Kent, came under the guardianship of their mother and grandmother, the dowager ladies Fairfax and Culpepper, the latter of whom was a princess of the house of Hesse Cassel.