John L. Helfrich
1881 - 1935 (53 years)(
= Descendancy chart to this point, 
= Expand, 
= Collapse)
- 1 John L. Helfrich [1] b. 9 Nov 1881 d. 3 May 1935
- Catherine Marie Kopff b. 8 Sep 1881 d. 4 Aug 1959
- 2 Raymond Lawrence Helfrich [1.1] b. 23 Sep 1905 d. 4 May 2003
- Hildegard Louise Wegmann b. 28 Jul 1905 d. 0Sep 1986
- 3 Gerald L. Helfrich [1.1.1]
- 3 Gerald L. Helfrich [1.1.1]
- 2 Adele Helfrich [1.2] b. 26 Apr 1907
- Harry Burtelow
- 3 Richard Burtelow [1.2.1]
- 3 Richard Burtelow [1.2.1]
- 2 Leonora Helfrich [1.3]
- 2 Catherine Grace Helfrich [1.4]
- 2 Elvira Helfrich [1.5]
- 2 Delores J. Helfrich [1.6] b. 7 Nov 1920 d. 4 Dec 2009
- Joseph F. Steger b. 14 Apr 1917 d. 1 Jan 2001
- 3 Dan Steger [1.6.1]
- 3 Dan Steger [1.6.1]
- 2 Robert Helfrich [1.7]
- 2 Raymond Lawrence Helfrich [1.1]