+--Leopold Gütermann  (ABT. 1675-BEF. 1736)
                        +--Johannes Gütermann  (ABT. 1705-)
                        |  +-- (Unknown) 
                     +--Andreas Gütermann  (Aug 1736-)
                     |  +--Elisabeth Niclas 
                  +--Johann "Michael" Michaele Gütermann  (22 Feb 1766-14 Jun 1836)
                  |  +--Catharina Schaid  (ABT. 1740-)
               +--Georg "Michael" Michaelis Gütermann  (29 Jun 1805-BEF. 10 Mar 1862)
               |  +--Anna Maria Stein  (17 Feb 1771-3 Aug 1827)
            +--George Adam Gueterman  (19 Mar 1837-23 Aug 1882)
            |  +--Maria Appolonia Becky  (15 Oct 1805-18 Aug 1882)
         +--George Adam Guettermann  (3 Sep 1865-28 May 1943)
         |  +--Caroline Mary Schwartz  (1839-18 Jun 1881)
      +--James Harden Guetterman  (23 Jun 1893-19 Oct 1977)
      |  +--Martha Alice Little  (22 Aug 1869-13 Jun 1923)
   +--James Walter Guetterman  (6 May 1913-ABT. 1974)
   |  +--Bertha May Moon  (22 Nov 1892-)
+--David "Dave" John Guettermann  (18 Oct 1944-)
|  +--Mary Martha Under  (-ABT. 1980)
Daniel "Dan" Albert Guettermann 
+--Dianna Lee Boyer