A KNICKERBOCKER LEGACY: The Baker Family and The Edgar Family of Rahway N.J. and N.Y.C. (Hardcover with Dust Jacket) 1972, 2024By John Milnes Baker Jacobus Backer and Margaret Stuyvesant were married in New Amsterdam in 1655. They were the progenitors of the families traced in this book. The term Knickerbocker derives from Washington Irvings 1809 A History of New York from the Beginning of the World to the End of the Dutch Dynasty and of course signifies a connection to Old New York. Fifty years ago there was no such thing as the Internet. There certainly was no ancestry. com