Wayne, What I have is: Jacob s/o Daniel married Mary Tyson. Jacob had a sister, Mary A., that married a Grumbling. They came from York Co., PA. Also, these are the Overdorff's that were in the Brush Valley, PA area. Daniel Sr. b.abt 1765-1770;Daniel b.1789; Jacob b. 1796; John Sr. b. abt 1790; John b. abt 1809; Henry b. 1821; George b. abt 1798.