Descendants of Jacob Byler and Nancy Kauffman (Byler).

Jacob Beiler (d.1772) and his son, Christopher, emigrated from Switzerland to Philadelphia in 1737. They settled in Lancaster County, Pennsylvania. Jacob Byler (1799-1867), a great-grandson, married Nancy Kauffman and lived in Mifflin and Lawrence Counties, Pennsylvania. Descendants lived in Pennsylvania, the Midwest, Delaware and elsewhere.