 William Fairfax also worked as a land agent for his cousin Lord Fairfax, managing his extensive holdings in the Northern Neck of Virginia.Genealogists remain unclear as to the origins of George William Fairfax's mother, Sarah Walker, and whether she might have possibly been of mixed race.In a letter to his mother, William Fairfax appeared to have worried about the reception of the boy by the London Fairfax family when he sent him to England.