robert m. "bob" anderson (c. 1840 – 13 july 1889) of mannum, possibly no relation, skippered "providence" 1866–1867; "ariel" 1868–1875; "nil desperandum" 1873; possibly "bogan" 1868–1869 (mudie p. 80). married to mary elizabeth anderson (c. 1841 – 20 november 1911).