Arthur Alexander Walton Onslow

Arthur Alexander Walton Onslow (2 August 1833 – 31 January 1882) was an Indian-born Australian politician.

He was born at Trichinopoly in India to surveyor Arthur Pooley Onslow and Rosa Roberta Macleay. In 1838 he arrived in New South Wales, returning to England in 1841. From 1847 he was a navy midshipman, serving during the Crimean War. On 31 January 1867 he married Elizabeth Macarthur, with whom he had eight children, including James Macarthur-Onslow. In 1871 he retired with the rank of post captain. In 1869 he was elected to the New South Wales Legislative Assembly for Camden, serving until his elevation to the Legislative Council in 1880. He died in 1882.

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