and returned to England, where he died on 20 October 1908. Onslow was knighted in 1895 for services rendered to the Queen's colonies since 1878. Family Father Arthur Pooley Onslow - father Mother Rosa Roberta, née McLeay - mother Alexander McLeay (1767–1848) - Rosa Roberta's father Rosa Roberta's siblings William Sharp Macleay (1792–1865) He never married and the heir to his estate was his brother, George W. J. Macleay Sir George W. J. Macleay (1809–1891) James Robert (1811–1892) secretary of the commission for the suppression of the slave trade in Cape Colony. Margaret (b. 1802) married Archibald Clunes Innes (1800–1857) in 1829 Christiana Susan (b.1799) married Captain William Dumaresq (1793–1868) in 1830 Barbara Isabella (b.1797) married Pieter Laurentz Campbell (1809–1948) in 1834. Siblings Arthur Alexander Walton Onslow (1833–1882) - brother James Macarthur-Onslow - nephew See also Judiciary of Australia James Macarthur-Onslow#Family References Further reading Braybrooke, E. K., 'Onslow, Sir Alexander Campbell (1842–1908)', Australian Dictionary of Biography, Volume 5, Melbourne University Press, 1974, pp 367–369. Black, David, and Bolton, Geoffrey (1990) Biographical register of members of the Parliament of Western Australia. Volume one. 1870-1930 assisted by Ann Mozley and Patricia Simpson. Perth W.A: Western Australian Parliamentary History Project. biographical details West Australian, 27/5/1895, 1842 births 1908 deaths Knights Bachelor Australian people of Scottish descent Chief Justices of Western Australia Colony of Western Australia judges Attorneys-General of Western Australia British colonial attorneys general in Oceania Attorneys-General of British Honduras Alexander Judges of the Supreme Court of Western Australia 19th-century Australian judges 20th-century Australian judges Alumni of Trinity College, Cambridge 19th-century Australian politicians