Question: In what county is Brown's Manor located?

Context paragraphs:
Magnolia Manor (Cairo, Illinois): Magnolia Manor is a postbellum manor located in Cairo, Illinois, located in Alexander County.  It has been listed on the National Register of Historic Places since December 17, 1969.

Kretinga Manor: Kretinga Manor was a former residential manor located in the northern part of Kretinga, Lithuania.

Buskerud Manor: Buskerud Manor (Norwegian: "Buskerud hovedgård" or "Buskerud gård på Modum") was a former estate and manor located on a large farm in Buskerud, Norway.  The modern county of Buskerud is named for the estate.

Brown's Manor: Brown's Manor is a historic house at 115 High Street in Ipswich, Massachusetts.  It is a 2-1/2 story Second Empire structure, with brick walls decorated with wooden trim, and a mansard roof pierced by segmented-arch dormers.  The building corners have white-painted wood quoining, and the front entrance, set in a round-arch opening, is sheltered by a porch supported by grouped paneled columns.  The house was built about 1886, probably by George Brown, who purchased the property that year.  Brown was from a family known locally for its house-building skills.

Philipsburg Manor: Philipsburg Manor (sometimes referred to as Philipse Manor) was an English manor located north of New York City in the Province of New York.  It lasted from 1693 until 1779.  The land was part of a Dutch patroonship owned by Adriaen van der Donck but was later purchased by Frederick Philipse I.  Philipse was granted a royal charter in 1693, creating the manor as a legal entity.  After Philipse's death, the manor was split between his son and grandson, both of whom continued to develop the manor.  The Philipses engaged in the Atlantic slave trade, using Africans to construct most of the buildings on the property.  The tenant farmers on the manor also represented a diverse population of Europeans.

Ipswich, Massachusetts: Ipswich is a coastal town in Essex County, Massachusetts, United States.  The population was 13,175 at the 2010 census.  Home to Willowdale State Forest and Sandy Point State Reservation, Ipswich includes the southern part of Plum Island.  A residential community with a vibrant tourism industry, the town is famous for its clams, celebrated annually at the Ipswich Chowderfest, and for Crane Beach, a barrier beach near the Crane estate.  Ipswich was incorporated as a town in 1634.

Tybesta: Tybesta (Tibesteu in the Domesday Book) was a manor located in Cornwall, England, UK.  The manor of Tybesta was given by William the Conqueror to his half-brother Robert, Count of Mortain; before the conquest it was held by Ralph the Constable.  Tybesta contained all of the parish of Creed; and parts of Probus and Cuby.  It was a royal manor and the bailiwick of the hundred of Powder.  In 1086 it contained 3 hides and there was land for 30 ploughs.  There were 47 households, 40 acres of woodland, pasture 3 leagues long and one league wide, 14 cattle, 4 pigs and 160 sheep.  Sections of an ancient castle are still visible and the location where an ancient well is located is probably the area which gave the name to the manor.

Näsby Castle: Näsby Manor is a manor located in Täby municipality, north of Stockholm.

Bjurum: The Bjurum manor, also known as "Stora Bjurum" (Grand Bjurum) or "Stora Bjurum herrgård" (Grand Bjurum manor), is a Swedish manor located in Västergötland.  It is one of the largest in the country.  Renowned lake Hornborgasjön is located in the manor's lands.  The Falköping town is some 11 kilometers south from Bjurum.  Earlier the manor contained the area of a whole parish, now some 2500 hectares.  It has a long history as an established entity, starting from the Middle Ages.

Puurmani manor: Puurmani manor (Estonian: "Puurmani mõis" ) is a historical manor located in the village of Puurmani, Jõgeva County, Estonia.  The manor is protected by the Estonian government as a cultural heritage object.  The object was listed on November 23, 1999, and has the number 23988.

Supporting paragraphs: Brown's Manor Ipswich, Massachusetts
Answer: Essex County