Charles George Sedgwick  [John Charles Sedgwick / Eliza Jane Milne]
b. 1889, Portland, Victoria1 (#24926)
d. 1934, Melbourne, Victoria1 (#9509)
m. 1913, Victoria, Eliza Mary Wyeth1 (#10142)

Eliza Mary Wyeth  [parents unknown]
d. 1975, Ararat, Victoria1 (#16313)

Children:

Dudley Sedgwick
  b. 1920, Hamilton, Victoria1 (#22533)
  d. 1977, Victoria1 (#12913)
John Maxwell Sedgwick
  b. 1914, Hamilton, Victoria1 (#13331)
Phylis Olga Sedgwick
  b. 1916 Hamilton, Victoria1 (#12544)

Sources:

1. Victorian Government Registration Records

Have more data? genealogy@sedgwick.org