Johannes Bechtel is the son of Hans Peter Bechtel (1639-1695) and Barbara (?) (Rhein) Bechtel. On February 15, 1715, in Weinhem, Palatinate, Germany, Johannes married Maria Appollonia Marrett. 
Johannes and his family immigrated to to Pennsylvania in 1726, and settled in Germantown, where he was a minister in the Reformed Church, joined the brotherhood of Moravians and wrote the first Reformed Catechism published in the U.S. It was printed, by Benjamin Franklin. He had 9 children, the descendants of whom live in the U.S. 
Children of Johannes and Maria include:
Maria Agneta Bechtel, born September 19, 1719, in Germany, died May 27, 1789, in Easton, Northhampton County, Pennsylvania, married Cornelius Weygandt (1713-1799)
Anna Margaretha Betchel, born September 13, 1721, died November 22, 1793, married Johann George Jungmann (1720-1808)
Johann Burckhart Bechtel (1725-1785)
Maria Susanna Bechtel, born February 22, 1730, died August 10, 1783 on the Island of St. John, married John Levering, son of Abraham and Ann Levering. 
Maria Appollonia Bechtel (1733-1808) married Andrew Christian Weber (1719 - 1784)
It may be possible to confirm family relationships with Johannes by comparing test results with other carriers of his Y-chromosome or his mother's mitochondrial DNA.
However, there are no known yDNA or mtDNA test-takers in his direct paternal or maternal line.
It is likely that these autosomal DNA test-takers will share DNA with Johannes: