Jacob was the 1st of 10 children George Heinly and Catharine Leiby. He married to Rebecca Dietrich. They appear in the 1850 through 1870 census of Greenwich Township, Berks County, Pennsylvania. Jacob was a farmer. In 1880 he was living with his son, Samuel, in the same township. Besides the children linked below they had: Amelia b.ca.1842 m.David Megen. Anna Maria b.ca.1852 m.Benjamin J. Hartline.