William Robert Sedgwick  [Matthew Sedgwick / Clara Letitia Evans]
b. 1873 Ballann, Victoria1 (#255)
m. 1897 Cootamundra, New South Wales, Mary Patterson3 (#900)

Mary Patterson  [parents unknown]

Children:

Alice Sedgwick
  b. 1898 Gundagai, New South Wales3 (#12)
  d. 1898 Gundagai, New South Wales3 (#17212)
William Sedgwick
  b. 1898 Cootamundra, New South Wales3 (#31001)
  m. 1922 Narrandera, New South Wales, Maude Baxter3 (#3074)
Charles Sedgwick
  b. 1900 Gundagai, New South Wales3 (#22420)
  m. 1929 Sydney, New South Wales, Henrietta McWhinney3 (#4910)
Thomas Sedgwick
  b. 1904 Cootamundra, New South Wales3 (#21505)
  d. 1905 Cootamundra, New South Wales3 (#1014)
Sources:

1. Victorian Government Registration Records

3. New South Wales Government Registration Records