This is a collection of genealogies of the early settlers of "Old Hunterdon County," New Jersey, the majority of the histories tracing families through successive generations of the 18th and 19th centuries in what is now mostly Mercer County. Composed chiefly of a recitation of births, marriages, and deaths, the family histories number more than sixty and touch on several thousand related persons, all of whom are conveniently cited in the index.

Ryck Hendricksen, son of Hendrick Rijcken and Henrisken van Reemst, was born in about 1612 in Arnhem, Gelderland. He married Jutjen Cornelius in 1638. They had eight children. They immigrated to New Netherlands in about 1653.Annetje Roelof in New York. They had four children. Descendants and relatives lived mainly in New York and New Jersey.