Frieda Unknown
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- 1 Frieda Unknown [1]
- John Ketterling
- 2 Adam J. Ketterling [1.1] b. 14 Nov 1911 d. 24 Oct 1992
- Hilda Ketterling b. 19 Sep 1910 d. 19 Dec 2010
- 3 Milbert W. Ketterling [1.1.1]
- 3 Herman Ketterling [1.1.2]
- 3 Milbert W. Ketterling [1.1.1]
- 2 Adam J. Ketterling [1.1]