• Mary Ann Conybeer1897
  • Thomas Mortimer Clarkson(1898–)
  • John Clarkson(1899–)
  • Florence Maud Clarkson(1901–1990)
  • Mary Agnes Clarkson(1903–1977)
  • Ellen Elizabeth Clarkson(1905–1976)
  • Gladys Clarkson(1908–1985)
  • Cedric Clarkson(1913–1944)