The geneology information I have from an Aunt who is very big into tracking family has NIVER as being the last name. Her parents were William Jacob Niver and Catherine Crisler. Rebecca being from Fulton County NY April 09, 1792, died February 20, 1866 and is buried in Greenfield Township, Lackawanna County Pa. Sandy Banks Cemetery. Jacob Snyder II was a farmer and was in the Was of 1812. He was from Columbia County NY. Hope this is what you are looking for!!