BiographySarah Ismena M Cobcroft was born 13 September 1799 in Wilberforce, New South Wales, Australia to John Frederick Cobcroft (1756-1853) and Sarah Smith (1772-1857) and died 19 July 1872 in Mudgee, New South Wales, Australia of unspecified causes. She married William R Blackman (c1800-1854) 25 September 1821 in St Matthews, Windsor, New South Wales, Australia. Ancestors are from the United Kingdom.
|Offspring of William R Blackman and Sarah Ismena M Cobcroft (1799-1872)|
|James Blackman (1823-1823)|| |
|Sarah Blackman (1824-1824)|| |
|William Richard Blackman (1825-1898)||25 August 1825 Wilberforce, New South Wales, Australia||5 May 1898 Lawson Street, Mudgee, New South Wales, Australia|| Mary Single (1832-1909)|
|Sarah Amelia Blackman (1827-1909)||2 December 1827 Windsor, New South Wales, Australia||30 August 1909 Stanmore, New South Wales, Australia|| Nicholas Paget Bayly (1814-1879)|
|Samuel Alfred Blackman (1830-1896)||10 February 1830 Wilberforce, New South Wales, Australia||9 December 1896 Mudgee, New South Wales, Australia|| Charlotte Smith (1830-1898)|
|Fanny Blackman (aft1830)|
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