Wikipedia Biography
Johann Christoph Bach (baptised 18 December [O.S. 8 December] 1642 – 31 March 1703) was a German composer and organist of the Baroque period. He was born at Arnstadt, the son of Heinrich Bach, Johann Sebastian Bach's first cousin once removed and the first cousin of J.S. Bach's father, Johann Ambrosius Bach. He was also the uncle of Maria Barbara Bach, J. S. Bach's first wife and second cousin. Johann Christoph married Maria Elisabeth Wiedemann in 1667. They had seven children, including four sons who became musicians: Johann Nicolaus (10 October 1669 – 4 November 1753), Johann Christoph Jr. (29 August 1676 – 1738), Johann Friedrich (1682–1730), and Johann Michael (1685–unknown). He is not to be confused with Johann Sebastian Bach's son, Johann Christoph Friedrich Bach.
Wikipedia Biography