Erna Unknown
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- 1 Erna Unknown [1]
- Berthold Ketterling b. 22 May 1923 d. 27 Sep 2013
- 2 Holly Ketterling [1.1]
- 2 Rick Ketterling [1.2]
- 2 Wendy Ketterling [1.3]
- 2 Holly Ketterling [1.1]