Brudvik – en slekt fra Ytre Arna og Hedmark Etterkommerne etterHelga Nathalie Thomasdatter Sewell
  1. Helga Nathalie Thomasdatter Sewell, 1844–1941
  2. Nicolaus Magnus Adolphsen Widerberg, 1838–1925
  3. Clare Sewell Nicolausen Widerberg, 1868–1957
  4. Johanne Hansdatter Berg, 1871–1929
  5. Caroline Emilie Nicolausdatter Widerberg, 1870–1916
  6. Johan Mathias Rye, Født 1866
  7. Frantz Gustav Nicolausen Widerberg, 1875–1949
  8. Anna Johanne Pedersdatter Schaaning, 1877–1954
  9. Nicolai Magnus Widerberg, 1905–1960
  10. Ingrid Christine Blom, 1909–1983
  11. Agnes Widerberg, 1906–1996
  12. Per Schaanning Widerberg, 1913–1965
  13. Frantz Gustav Widerberg, 1915–1915
  14. Gustav Widerberg, 1916–1995
  15. Alf Widerberg, 1918–1977
  16. Else Margrethe Nicolausdatter Widerberg, 1877–1878