Yes, Charles Diehl had other children, 9 total, including a son John Adam b. 26 FEB 1787, d. 11 SEPT 1849, m. Catharine Schaffer circa 1809.The entire family is traced in detail to the present and back to Germany in Harry Diehl's book "Diehl-Deal-Dill-Dale Families of America.Vol. 1. Diehl Families of York and Adams County PA." 1989.Copies of his book can be found in York Co. Historical Society, Historical Society of PA in Philadelphia, Bucks Co. HS, Lehigh Co. HS, etc.You might get lucky and find one on Ebay.The author, Harry Diehl is also a descendent of this Charles Diehl.