Eva Maria Orth was the daughter of Theodor Wilhelm Orth and Eva Kurtenbach. She was born on March 15, 1714 in Niederwennerscheid, Rhein-Sieg-Kreis, Nordrhein-Westfalen, Germany. She died on May 6, 1754 in Höfferhof, Rhein-Sieg-Kreis, Nordrhein-Westfalen, Germany.

Johann and Eva were married on February 15, 1735 in Neunkirchen, Rhein-Sieg-Kreis, Nordrhein-Westfalen, Germany and had the following children all born in Höfferhof/Hoff:

Johann Wilhem (1 Aug 1735 - ) m. 22 Nov 1775, Neunkirchen, Anna Katharina Dick
Maria Katharina (20 Jul 1736 - 20 May 1812) m. Neunkirchen, Johann Gerhard Henscheid
Johann Heinrich (10 Sep 1741 - )
Johann Wimar (23 Sep 1742 - 13 Nov 1815) m. Anna Elisabeth Schmitz
Jakob Wilhelm (12 Aug 1746 - 15 Mar 1818, Niederwennerscheid) m. 8 Feb 1780, Seelscheid, Anna Maria Küpper
Johann Adolph (10 Aug 1749 - Höfferhof) m1. 20 Oct 1780, Köln, Maria Katharina Schmitz (16 Aug 1761, Köbach - 1 May 1783, Köbach); m2. 8 Feb 1786, Köln, Maria Elisabeth Schwartz (Brölerhof - Höfferhof)
Anna Katharina (1754 - 27 Jan 1829, Höfferhof) m. 11 Jan 1776, Neunkirchen, Wilhelm Theodor Eischeid