The Northern Neck property was granted as a refuge by Charles II to a group of is courtiers. It was basically the area lying between the Potomac River and the Rappahannock River, 1649. Lord Culpeper purchased the shares of all grantees and through his heiress the land passed to Thomas, Lord Fairfax. On his death in 1781, the estate was liquidated.
History of the Neck.
The Northern Neck, The Origin and Ownership, by Dickinson.
Manors on the Frontier, by Brown.
Report of The Commissioners To Settle The Boundries of The Northern Neck, from a document in the Library of Congress, Virginia Historical Magazine, Vol. 28, 1920.
Personal research notes on Northern Neck.
Culpeper, Virginia Historical Magazine, Vol. 30