Johann Jacob Barth, son of Hans Hermann Barth and Unknown, was born in 1683, in Münchweiter, Bavaria, Germany, and died on 5 July, 1749, in Hochspeyer, Bayern, Germany.

Johann Jacob married Maria Katherina. Maria died on 8 January, 1733, in Hochspeyer, Bayern, Germany. They had eight children: Maria Ottillia, Johann Wilhelm, Johann Heinrich, Johann Peter, Johann Gerhard, Johann Georg, Anna Katherina, and Anna Margarethe.

Maria Ottillia Barth was born in 1713, in Münchweiter, Alsenz, Bavaria, Germany, and died on 3 May, 1719, in Münchweiter, Bavaria, Germany.

Johann Wilhelm Barth was born on 14 April, 1715, in Münchweiter, Alsenz, Bavaria, Germany and died on 13 January, 1717, in Münchweiter, Alsenz, Bavaria, Germany.

Johann Heinrich Barth was born on 28 October, 1717, in Münchweiter, Alsenz, Bavaria, Germany.

Johann Heinrich married Maria Katherina Bohlander on 6 March, 1745, in Hochspeyer, Bayern, Germany. Maria was born about 1725, in Hochspeyer, Bayern, Germany and died on 7 May, 1793, in Hochspeyer, Bayern, Germany. They had nine children: Anna Barbara, Johann Jacob, Maria Katherina, Anna Maria, Johann Heinrich, Eva Margarethe, Johann Georg, Anna Maria, and Johann Michael.

Johann Peter Barth was born on 4 October, 1720, in Münchweiter, Alsenz, Bavaria, Germany.

Johann Gerhard Barth was born on 2 August, 1722, in Münchweiter, Alsenz, Bavaria, Germany and died on 20 Jan 1723 in Münchweiter, Alsenz, Bavaria, Germany.

Johann Georg Barth was born on 23 April, 1724, in Münchweiter, Alsenz, Bavaria, Germany.

Johann Georg married Maria Katherina Lang on 6 May, 1745, in Hochspeyer, Bayern, Germany.

Anna Katherina Barth was born on 8 December, 1726, in Münchweiter, Alsenz, Bavaria, Germany.

Anna Margarethe Barth was born on 30 May, 1730, in Hochspeyer, Bayern, Germany and died on 20 August, 1732, in Hochspeyer, Bayern, Germany.