He passed away in 1925.
Children.....
GenealogySA Births, WILLIAMSON Nellie Gertrude, F, Benjamin WILLIAMSON, Encounter Bay, 456/431, 1890 GenealogySA Births, WILLIAMSON Benjamin Alfred, M, Benjamin WILLIAMSON, Adelaide, 380/414, 1886 GenealogySA Births, WILLIAMSON Allan Clarence Clifton, M, Benjamin WILLIAMSON, Encounter Bay, 520/62, 1893 GenealogySA Births, WILLIAMSON Albert Wordsworth, M, Benjamin WILLIAMSON, Encounter Bay, 416/202, 1888 GenealogySA Births, WILLIAMSON Minnie Rosa, F, Benjamin WILLIAMSON, Encounter Bay, 665/337, 1900 GenealogySA Births, WILLIAMSON David Douglas Gordon, M, Benjamin WILLIAMSON, Encounter Bay, 763/86, 1906
24 Feb 1886 Marriage. https://trove.nla.gov.au/newspaper/article/88681828?searchTerm=%22benjamin%20williamson%22
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