Question: Kiliaen van Rensselaer, was a Dutch diamond and pearl merchant, who was instrumental in the establishment of the 17th century colonial province located where?

Context paragraphs:
Philip Kiliaen van Rensselaer: Philip Kiliaen van Rensselaer (May 19, 1747 – March 3, 1798) was the second son of Colonel Kiliaen van Rensselaer and Ariaantie (Schuyler).  He was a merchant by trade, and his experience in transporting cargo may have helped qualify him as keeper of the Albany arsenal.  He was variously referred to as storekeeper, military storekeeper and Commissary for the Northern Department.

Van Rensselaer's Regiment: Van Rensselaer's 4th Regiment of Militia was a regiment of militia raised in Albany County, New York, during the American Revolutionary War.  Raised by Colonel Kiliaen van Rensselaer in 1775, and drawing men from the Manor of Rensselaerswyck, the regiment was also known as the 2nd Rensselaerwyck Battalion and consisted of seven companies.

Rensselaer County, New York: Rensselaer County is a county in the state of New York, in the United States of America.  As of the 2010 census, the population was 159,429.  Its county seat is Troy.  The county is named in honor of the family of Kiliaen van Rensselaer, the original Dutch owner of the land in the area.

New Netherland: New Netherland (Dutch: "Nieuw Nederland" ) was a 17th-century colonial province of the Seven United Netherlands that was located on the East Coast of North America.  The claimed territories extended from the Delmarva Peninsula to extreme southwestern Cape Cod, while the more limited settled areas are now part of the Mid-Atlantic States of New York, New Jersey, Delaware, and Connecticut, with small outposts in Pennsylvania and Rhode Island.

Arent van Curler: Arent van Curler, later van Corlaer, (1619, Nijkerk, Gelderland - 1667) was the cousin of Kiliaen van Rensselaer and undertook the management of Rensselaer's patroonship Rensselaerswyck in the Dutch colony of New Netherland perhaps as early as 1638, and continued there until 1646.

Map of Rensselaerswyck: The Map of Rensselaerswyck is a map created during the 1630s, probably 1632, at the request of the owner of the Manor of Rensselaerswyck, Kiliaen van Rensselaer, Dutch jeweler and patroon.  Rensselaerswyck was the only successful patroonship within the colony of New Netherland, settled by the Dutch West India Company at the behest of the States-General of the United Netherlands.  The map is believed to be the first ever commissioned or created of Rensselaerswyck.

Stephen van Rensselaer I: Stephen van Rensselaer I (March 23, 1707 – June 1747), was the second son of Kiliaen van Rensselaer and Maria van Cortlandt, who served briefly as the 7th Patroon of the Manor of Rensselaerswyck and 4th Lord of the Manor.

Jeremias van Rensselaer: – October 12, 1674) was the third son of Kiliaen van Rensselaer, one of the founders and directors of the Dutch West India Company who was instrumental in the establishment of New Netherland.  Jeremias van Rensselaer was the acting patroon of the Manor of Rensselaerswyck, and the first of his family to establish himself permanently in America.

Kiliaen van Rensselaer (merchant): Kiliaen van Rensselaer (] ; 1586 – buried 7 October 1643 ) was a Dutch diamond and pearl merchant from Amsterdam who was one of the founders and directors of the Dutch West India Company, being instrumental in the establishment of New Netherland.

East Greenbush, New York: East Greenbush is a town in Rensselaer County, New York, United States.  It is a suburb of Albany, New York.  The population was 16,473 at the 2010 census.  The word Greenbush is derived from the Dutch "het groen bosch," referring to the pine woods that originally covered the land.  The first settlement of the land now known as East Greenbush was made by tenants under patroon Kiliaen van Rensselaer circa 1630.  The town was established in 1855 as Clinton, and was renamed in 1858.  It is mostly suburban along its major highways and rural in the southwestern and northeastern corners.

Supporting paragraphs: Kiliaen van Rensselaer (merchant) New Netherland
Answer: East Coast of North America