Harmen Harmanse was the patriarch of the Gansevoort family in Albany, New York, arriving in the area by 1657. Although not the first Ten Eyck in America, Jacob C. Ten Eyck was the first to come to Albany, moving from Manhattan after 1654. The two families intermarried several times over the years, along with other Dutch families in the area. This collection includes correspondence, financial records, estate records, and other family-related information.

The Hun family were descendants of 17th century Dutch settlers who became prominent and acquired property in and around the Albany area. This collection includes family papers.

The Pruyn Family Papers contains documents relating to three consecutive generations of the John Pruyn Family, along with genealogies and personal papers of more distant family relations. An autograph collection of presidents, statesmen, and local historic figures is included. The ownership of 43-45 North Pearl Street is documented from the first sale in 1679 to the last in 1968. The estates of Eleanor Erving, Justine Bayard Erving and Van Rensselaer Pruyn are also documented.

The Ten Eyck/Bronk Family Papers contain the records of the descendants of Jacob C. Ten Eyck (1705-1793), and primarily contain documents relating to family property and financial concerns.

William Paterson Van Rensselaer (1805-1872) was born to General Stephen and Cornelia Paterson Van Rensselaer in the Manor House in Albany, New York. Van Rensselaer became an attorney, and married twice, having nine children. This collection includes correspondence, property records, financial records, and estate records.