Mary Agnes Mathern
![Female](img/tng_female.gif)
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- 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