Johannes married Elizabeth Catharina Weider on 3 Jul 1736 in Meckesheim, Rhein-Neckar-Kreis, Baden-Wuerttemberg, Germany. Elizabeth was born in 1715 in Meckesheim, Rhein-Neckar-Kreis, Baden-Wuerttemberg, Germany; died in 1768 in New Holland, Lancaster, Pennsylvania, USA. [Group Sheet] [Family Chart]

1. Fredrich Ludwig Koppenhoffer was born on 31 Mar 1737 in Meckesheim, Rhein-Neckar-Kreis, Baden-Wuerttemberg, Germany; died in in United States.
2. Johannes Balthaser Baltzer Koppenhoffer was born on 1 Jan 1741 in Earl, Lancaster, Pennsylvania, United States; died in 1804 in Shirley, Huntingdon, Pennsylvania, United States.
3. Johannes John Copenhaver was born on 24 Sep 1742 in Earl, Lancaster, Pennsylvania, United States; died on 28 May 1771 in Montross, Westmoreland, Virginia, United States.
4. Sophia Catharina Copenhaver was born on 27 Feb 1744 in Earl, Lancaster, Pennsylvania, United States; died in in Lebanon, Pennsylvania, United States.
5. Johannes Georg Jakob (Jacob) Koppenhoffer (Copenhaver) was born on 25 Jun 1746 in New Holland, Lancaster, Pennsylvania, USA; died on 29 Aug 1782 in Strasburg, Shenandoah, Virginia, USA.
6. Sharlotta Copenhaver was born on 23 Jan 1748 in Earl, Lancaster, Pennsylvania, United States; died in Feb 1748 in Earl, Lancaster, Pennsylvania, United States.