Fairfax family.

The Northern Neck Land Office controlled 5,282,000 acres in land grants located between the Rappahannock and Potomac rivers, which were given to seven loyal supporters of King Charles II, including Lord Fairfax. Agents of the Northern Neck Proprietary issued the first land grant in 1690.

The Proprietary operated until the death of Lord Fairfax in 1782. For the next thirty years, however, the ownership was in dispute. Fairfax family interest was terminated in 1808 when the last surviving heir sold his title to his remaining manor to a syndicate.

From the description of Northern Neck proprietary papers, 1688-1810, 1688-1770 (bulk). (Unknown). WorldCat record id: 122640481