+--Bill Wise 
Brandon L. Wise 
|                       +--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)
|        +--Daniel "Dan" Guetermann  (8 Dec 1843-6 Oct 1925)
|        |  +--Maria Appolonia Becky  (15 Oct 1805-18 Aug 1882)
|     +--Vincent N. Guetterman  (29 Apr 1901-11 Jan 1992)
|     |  +--Katharina "Katherine" Guttermann  (1876-10 Aug 1938)
|  +--Donald Vincent Guetterman  (2 Nov 1936-12 Jan 2017)
|  |  +--Ottila "Attilias" Berger  (14 Sep 1904-Apr 1999)
+--Donna Guetterman 
   +--Loretta J. Maxtindale