William R Blackman was born circa 1800 in Woolwich, Kent, England, United Kingdom to James Blackman (1759-1842) and Elizabeth Harley (1765-1842) and died 12 February 1854 in Mudgee, New South Wales, Australia of unspecified causes. He married Sarah Ismena M Cobcroft (1799-1872) 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)
Name Birth Death Joined with
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)

Footnotes (including sources)

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