Frederick Van Cortlandt

[1] His paternal grandparents were Flemish born Annetje "Anna" (née Loockermans) Van Cortlandt,[2] and Dutch born Captain Olof Stevense van Cortlandt, who arrived in New Amsterdam in 1637, a soldier and bookkeeper that rose to high colonial ranks through his work with the Dutch West India Company, eventually serving many terms as burgomaster and alderman.

[1] Frederick's father had established a wheat growing and processing business which included a saw mill, grist mill, and a fleet of draft boats that carried the flour from the south end of his lake down Tibbetts Brook and out to the Harlem and Hudson Rivers to market.

[6] Frederick was buried at the family burial grounds established on what has today become known as Vault Hill in Van Cortlandt Park.

[1] Through his son Augustus, he was the grandfather of Anne Van Cortlandt (1766–1814), who married her first cousin (also a grandchild of Frederick), Henry White Jr. (1763–1822), and Helen Van Cortlandt (1768–1812), who married James Morris (a son of Lewis Morris, signer of the Declaration of Independence).

[10] Through his granddaughter Anne, he was the great-grandfather of Helen Van Cortlandt White, the wife of Abraham Schermerhorn and mother of Caroline Webster Schermerhorn, who was well known in New York society during the Gilded Age for her marriage to William Backhouse Astor Jr.[11] Through his youngest daughter Eva, he was the grandfather of Margaret White (1774–1857), who married Peter Jay Munro (1767–1833), owner of Manor Park, Larchmont and a cousin and law partner of Peter Augustus Jay (eldest son of Frederick's nephew John Jay).