I am researching the Byerly's in Lancaster and Westmoreland Co, PA.My research shows Jacob Harmon Byerly as married to Mary Lusk Parcell.She was b. 10 Jul 1826, d. 7 Mar 1907.They were married 18 Aug 1846.Jacob was the 3rd child ofPeter and Sarah Byerly. These Byerly's were orig. from Germany and also Patriot's of the Rev. War. If you have any connections appreciate you contacting me.