Mary Gertrude Oster
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- 1 Mary Gertrude Oster [1]
- Isadore Henry Burkhart b. 6 May 1884
- 2 Leon N. Burkhart [1.1]
- 2 Gertrude Elizabeth Mary Burkhart [1.2]
- 2 Monica Josephine Burkhart [1.3]
- 2 Isadore Joseph Burkhart [1.4]
- 2 Paul John Burkhart [1.5]
- 2 Elred Edward Burkhart [1.6]
- 2 Mary Celesta Burkhart [1.7]
- 2 Leon N. Burkhart [1.1]