Descendants of Herman De Vries Robbé

1 Herman De Vries Robbé
  + Alice Joynson
    2 Margaret De Vries Robbé  b. 29 SEP 1894
      + Gerrit Kalff  b. 1 SEP 1889 d. 1 AUG 1955
        3 ElIen Kalff  b. 16 APR 1918 d. 6 OCT 1938
        3 Roland Kalff  b. 7 MAY 1920 d. 13 APR 1983
          + Jacoba Cornelia Thiel  b. 23 MAY 1924
            4 Ellen Kalff
            4 Steven Kalff
            4 Jurriaan Kalff
        3 Johannes Olivier Kalff  b. 20 JUN 1922