Jacob, the eldest son, made his home with Jacob Kohler, at Egypt, where he learned the trade of miller. In the Revolutionary War he was a private in 1781, in Captain Zerfass' company of the 1st Battalion of Northampton County Militia, commanded by Lt. Col. Balliet. He became a miller at the Bortz mill, at the head of Cedar creek in later years, and in 1788, he married Mary Bortz, daughter of the proprietor. He then became the owner of the mill property, which he conducted until his death, at which time he owned seven tracts of land in Macungie and South Whitehall townships. He was born April 26, 1761, died Sept. 11, 1816, and was buried at the Jordan Lutheran church.