Chester Co. However,with Petersons,you'll likely go earlier. 1638-56 was New Sweden,on the Delaware,and then, the Dutch had 2 colonies 1656-1664.[and 1667] The English , ruling from 1664,minus part of 1667, had a court at Upland,as Chester town was then called. The Swedes had multiple Peters sons. As did New Netherlands. There are also Swedish Lutherian >Episcopal church records. In what township in my Clermont Co,Ohio did your [Thomas?] Peterson live? Dr Peter Stebbens Craig,D.D. is an expert on the early Swedes. "1693 Swedes on the Delaware" is one of his books. My Swedish Justice's moved in 1805 from n Swedesboro,sw NJ TO Behel,Tate Twnsp,Clermont Co,Ohio where Savil Justice,in 1824, married another part Swede,Ruhama Blackman [Stille-Steelman] Bethel,Oh's Tom Luce,is of George Peterson,who moved from Pleasant Mills, NJ TO Williamsburg,Ohio.