Frederick Philipse III

Frederick Philipse III (1720-1786) was an American landowner who was the third and last Lord of Philipsburg Manor and a Loyalist during the Revolutionary War.

Frederick Philipse III was the son of Frederick Philipse II (1698-1751), 2nd Lord of Philipsburg Manor, and Johanna Brockholst. When his father died in 1751, he inherited Philipsburg Manor, a 52,000 acre estate comprising much of southern Westchester County, the accompanying title, and commercial interests, including the share of family holdings his father had received from Adolphus Philipse, a bachelor uncle and son of Frederick I, the first Lord of Philipsborough. He did not receive his uncle's 250 square mile Highland Patent, a tract later known as the Philipse Patent, which became today's Putnam County, New York. It was divided among three of his siblings.

Philipse was a member of the Assembly of the colonial Province of New York, and a Colonel in the militia.

Like the rest of his family, Philipse was a Loyalist during the American Revolution. At the onset he leased his lands and left for England, never to return. All lands and commercial interests were lost during the American Revolution when Philipse was attained in absentia, seized by the then-still Colony of New York, then auctioned off by the Commissioners of Forfeiture. As such, he was attained by the Provincial Congress of New York in 1779 and his Manor and other lands in today's Westchester County were seized. Several months later their sale was ordered.

Philipse family holdings belonging to other members, principally the Highland Patent, were also seized by the Commissioners of Forfeitures. Sale was withheld during the war, as its outcome was uncertain, confiscated lands had been pledged as collateral against monies borrowed by the provisional government to finance the conflict, and tenants lobbied for the right of preemptive purchase of leased land.

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