Mary Agnes Mathern
1914 - 1955 (41 years)(
= Descendancy chart to this point, 
= Expand, 
= Collapse)
- 1 Mary Agnes Mathern [1] b. 8 Sep 1914 d. 22 Dec 1955
- Guy F. Byerly b. 29 Jan 1911 d. 6 Jul 1940
- 2 Donald G. Byerly [1.1]
- 2 Lawrence Byerly [1.2]
- 2 Donald G. Byerly [1.1]
- Edward Theodore Helgeson
- 2 James Theodore Helgeson [1.3] b. 11 Aug 1941 d. 20 Mar 2001
- 2 James Theodore Helgeson [1.3]
- David Schrader