Theodor Wilhelm Orth was the son of Peter Orth and Eva Roth. He was born on December 11, 1678 in Niederwennerscheid, Rhein-Sieg-Kreis, Nordrhein-Westfalen, Germany, and died there on October 11, 1743.

Theodor and eva were married on February 9, 1700 in Neunkirchen, Rhein-Sieg-Kreis, Nordrhein-Westfalen, Germany and had the following children born in Niederwennerscheid, Germany:

Johann Wimar (24 Sep 1701 - 29 Oct 1773, Remschoß) m. 28 Jun 1727, Neunkirchen, Anna Margaretha Balensiefer
Johann Heinrich (8 Sep 1704 - 28 Apr 1780, Hoff) m. 24 May 1732, Neunkirchen, Anna Maria Peters
Anna Maria (9 Oct 1707 - ) m. 27 Jan 1731, Neunkirchen, Johann Söntgerath
Johann Peter (24 Jan 1712 - )
Eva Maria (15 Mar 1714 - 06 May 1754, Hoff) m. 14 Feb 1735, Neunkirchen, Johann Wilhelm Peters
Johann Adolf (4 Jun 1717 - )
Heinrich (Jun 1719 - 18 Feb 1769, Niederwennerscheid) m. 1744, Neunkirchen, Anna Katharina Kurtenbach (see Heiratsdaten fehlen).
Maria Katharina (22 Aug 1723 - Hohn) m. 27 Jan 1741, Neunkirchen, Gerhard Wimar Söntgerath