The N-S boundry of Delaware[Pa] and Maryland was not a static boundry, but shifted,in Delaware's favor,over the years. The further south in Delaware you go,the more influence Maryland once had. Very,very interested in Samuel Ball,son and brother of Philadelphia area Wm Ball[s]. And I've spent years on a Thomas Brown,who genealogists have often claimed was wed to Mary Ball,daughter of Wm Ball,Sr,merchant of Hope Farm, Kensington,5 miles north of downtown Philadelphia. At least Samuel Ball was in Appoquinimink near Middletown. Maybe the parish border of the Episcopal church near Middletown was more static than the state line. We pick up Thomas Brown,during the Rev War,near Moorefield,Hampshire-Hardy Co, WV [Va. Then near his son-in-law,James Sandusky,in Bourbon Co,Ky,and finally,my Clermont Co,SW Ohio 1800 +