Arthur Alexander Walton Onslow was born 2 August 1833 in Trichinopoly, Tamil Nadu, India to Arthur Pooley Onslow (1804-1889) and Rose Roberta Macleay (c1805-1852) and died 30 January 1882 Camden Park, New South Wales, Australia of unspecified causes. He married Elizabeth Macarthur (1840-1911) 31 January 1867 in New South Wales, Australia.
Children
| Offspring of Arthur Alexander Walton Onslow and Elizabeth Macarthur (1840-1911) | |||
| Name | Birth | Death | Joined with |
| James William Macarthur-Onslow (1867-1946) | 7 November 1867 Menangle, New South Wales, Australia | 17 January 1946 Menangle, New South Wales, Australia | Enid Emma Macarthur (1868-1952) |
| Emily Susan Macarthur-Onslow (c1869-c1876) | |||
| Rosa Sibella Macarthur-Onslow (c1871-1943) | |||
| Arthur John Macarthur-Onslow (1873-1953) | 1873 Menangle, New South Wales, Australia | 20 April 1953 Terrigal, New South Wales, Australia | Christian Leslie Bell (?-1946) |
| George Macleay Macarthur-Onslow (1875-1931) | 2 May 1875 Menangle, New South Wales, Australia | 12 September 1931 Camden, New South Wales, Australia | Violet Marguerite Gordon (1879-1981) |
| Arthur William Onslow (1877-1914) | |||
| Francis Arthur Macarthur-Onslow (1879-1938) | |||
| Alexander N Onslow (c1882-c1883) | |||
Footnotes (including sources)
| ‡ General |
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| ₪ Wedding |
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| ¶ Death |
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