Descendancy for Johanna de Koff

1910 - 1979 (68 years)

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1 Johanna de Koff ^[1] b. 23 Dec 1910 d. 23 Apr 1979
- Martinus Duitscher b. 24 Jan 1903 d. 23 Feb 1973
  - 2 Martinus Duitscher ^[1.1] b. 10 May 1940
    - + Maria Hendrika van Osenbruggen b. 7 Feb 1940