Mary Louise Williams  [Frances Sedgwick / Mark Willliams]
b. 1874 Echuca, Victoria1 (#2146)
d. 1965 Bairnsdale, Victoria1 (#16658)
m. 1897 Fred Coster1 (#2948)

Fred Coster  [parents unknown]

Children of Fred Coster and Mary Louise Williams:

Lily Mary Coster
  b. 1897 Bairsndale, Victoria1 (#16084)
Frederick Mark Coster
  b. 1899 Bairsndale, Victoria1 (#7452)
  m. 1929 Margaret Pincott 1 (#6592)
John Joseph Coster
  b. 1901 Bairsndale, Victoria1 (#8123)
  d. 1980 Heyfield, Victoria1 (#657)
  m. 1931 Doris Irene Ray1 (#7427)
Charles Henry Coster
  b. 1903 Bairsndale, Victoria1 (#328)
  d. 2001 Bairnsdale, Victoria
  m. 1938 Marion Stephenson1 (#3033)
Joseph Thomas Coster
  b. 1905 Bairsndale, Victoria1 (#309)
Rosetta May Coster
  b. 1907 Bairsndale, Victoria1 (#23663)
Ernest Charles Coster
  b. 1911 Bairsndale, Victoria1 (#25354)
  d. 1974 Heidelberg, Victoria1 (#23535)
  m. 1940 Lillian Stephenson1 (#5554)
Elizabeth Ann Coster
  b. 1914 Bairsndale, Victoria1 (#271)
  m. 1940 William McCarthy1 (#11394)
Arthur Coster
  m. 1939 Catherine Witton1 (#7121)

Sources:

1. Victorian Government Registration Records