William Sedgwick  [Thomas Sedgwick / Mary Lonsdale]
b. 1836 Bedale, Yorkshire, England
d. March 11, 19091 (#805)
m. 1860 Victoria, Elizabeth Margaret Harding1 (#249)
immigrated with parents to Launceston, Tasamania 1843, to Melbourne, Victoria by 1848

Elizabeth Margaret Harding  [Charles J Harding / Ann Bell]
b. 1841
d. September 26, 19181 (#7741)

Children:

Mary Ann Sedgwick
  b. 1857, Brunswick, Victoria1 (#971)
  m. 1885, Joseph Turner1 (#7167)
Thomas Sedgwick
  b. 1859, Brunswick, Victoria1 (#76)
  d. 1859, Brunswick, Victoria1 (#7685)
William Thomas Sedgwick
  b. 1860, Brunswick, Victoria1 (#11239)
  d. 19401 (#7685)
  m. 1888, Mary Patmore1 (#1587)
Elizabeth Sedgwick
  b. 1863, Brunswick, Victoria1 (#917)
  m. 1884, Thomas Neave1 (#1531)
James Charles Sedgwick
  b. 1865, Brunswick, Victoria1 (#1332)
  d. 1899, Northcote, Victoria1 (#7063)
  m. 1890, Brunswick, Isabella O'Leary1 (#1682)
Martha Sedgwick
  b. 1867, Brunswick, Victoria1 (#971)
  m. 1890, Benjamin Johnson1 (#5982)
Sarah Amelia Sedgwick
  b. 1869, Brunswick, Victoria1 (#20356)
  d. 18711 (#3270)
Arthur Sedgwick
  b. 1872, Brunswick, Victoria1 (#14452)
  d. 1941, Brunswick, Victoria1 (#11374)
  m. 1900, Edith Mitchell1 (#4213)
Edward Albert Sedgwick
  b. 1875, Brunswick, Victoria1 (#838)
  m. 1896, Mary Ardley1 (#6887)
Sarah Ann Sedgwick
  b. 1876, Brunswick, Victoria1 (#21272)
  d. 19111 (#5573)
  m. 1898, Thomas (James) Ardley1 (#2063)
Caroline Sedgwick
  b. 1879, Brunswick, Victoria1 (#885)
  m1 1900, Samuel Freedland Ardley1 (#6067)
  m2 William H Harrison
Alfred Henry Sedgwick
  b. 1882, Brunswick, Victoria1 (#14160)
  d. 1946, Fitzroy1 (#9435)
  m. 1903, Ada Adams1 (#748)

Sources:

1. Victorian Government Registration Records

Have more data? genealogy@sedgwick.org