He married Marie Bernardine Sudendorf am 26 Jul 1844 in Alfhausen, Niedersachsen, Deutschland 

 II-1Marie Josephine Thediek, Born 18 May 1849, Died 24 Sep 1854

 II-2Katharina Ferdinanda Thediek, Born 21 May 1852, Died 6 Dec 1922

 II-3Franz Xaver Alois Theodor Thedieck, Born 15 Sep 1853, Died 6 Mar 1932

 II-4Henrich Ignatz Thedieck, Born 30 Jan 1855, Died 20 Jan 1926

 II-5Bernard Maximillian Thedieck, Born 12 Sep 1856

 II-6Margaretha Gertrud Thediek, Born 10 Jun 1858

 II-7Gerhard Ferdinand Theodor Thediek, Born 10 Nov 1860, Died 8 Jan 1939

 II-8Maria Catharina Josephina Thediek, Born 15 May 1862

 II-9Carl Gerhard Thedieck, Born 4 Feb 1864

 II-10Wilhelmina Carolina Thediek, Born 25 Feb 1866