From "Calendar of New Jersey Wills Volume XIII 1814-1817" by Elmer T
Hutchinson in 1949:

 1815, Feb. 2.  Robins, Jonathan, of Alexandria Twsp., Hunterdon Co.  Int.
Inventory, $1,501.46; made by Peter Vansyckel, William Nixon.  Sworn to
by Charles Robins, Jonathan Robins, Adm'rs, Feb. 4, 1815.  File 2772 J.