Margaret Ruth Ackerman
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- 1 Margaret Ruth Ackerman [1]
- Frederick Frank Arnold b. 29 Oct 1919 d. 1 May 1975
- 2 Harold Frederick Arnold [1.1]
- 2 George Frank Arnold [1.2]
- 2 Arnold [1.3]
- 2 Arnold [1.4]
- 2 Arnold [1.5]
- 2 Arnold [1.6]
- 2 Harold Frederick Arnold [1.1]