Jacob was in the 3rd Battalion of Northampton Co., 5th Co. with Capt Conrad Ritter in the American revolution
He was on teh tax lists in 1785, 1786 and 1788 in Northampton County. On 15 Oct 1794, he purchased 308 acres in Egypt, North Whitehall Twp. From the 1981 revision of Raymond Hollenbach's "Hunsicker Family of Lehigh Valley": "The Chapman land warra nt map shows that J. Dinkey took up land near the Heidelberg/Whitehall line, between t\Neffs and Slatington."