Katharina Mehlhoff
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- 1 Katharina Mehlhoff [1]
- Gotthilf August Isaak
- 2 Helen Isaak [1.1]
- Benjamin Bentz b. 18 May 1917 d. 27 Jan 1998
- 2 Edward Isaak [1.2]
- 2 Nathaniel Isaak [1.3]
- 2 Theofil Isaak [1.4]
- 2 Emma Isaak [1.5]
- 2 Alvin E. Isaak [1.6]
- 2 Clara Isaak [1.7]
- 2 Irene H. Isaak [1.8]
- 2 Helen Isaak [1.1]