Arthur Thurgerland Sedgwick  [Henry Sedgwick / Elizabeth Meek]
b. 1867, Fitzroy, Victoria1 (#9506)
d. 1946, Ballarat #16097
m. 1889, Victoria, Jane Victoria Mountain1 (#606)

Jane Victoria Mountain  [William Mountain / Jane Downs]

Children:

Stanley Arthur Sedgwick
  b. 1890, Ballarat, Victoria1 (#9678)
  d. 1966, Carnegie, Victoria1 (#23566)
  m. 1921, Florence Gaddon
Albert Victor Sedgwick
  b. 1893, Ballarat, Victoria1 (#9409)
  m. 1921, Victoria, Vera Atkins1 (#457)
Clarence William Sedgwick
  b. 1898, Prahran, Victoria1 (#8700)
  d. 1977, Glen Huntly, Victoria1 (#19735)
  m. 1926, Margaret Ivy Cameron
Coralie Doreen Sedgwick
  b. 1902, Prahran, Victoria1 (#28750)
  d. 1961, Victoria1 (#4351)
  m. 1925, George Dean

Parents of Jane Victoria Mountain:

William Mountain
b. 1830, London
m. Jane Downs
Jane Downs
b. 1826, London

Sources:

1. Victorian Government Registration Records

Have more data? genealogy@sedgwick.org