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| Robert Vernon Smith | |
| Only surviving son of Robert Percy ('Bobus') Smith and Caroline Maria Vernon. |
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| Date (from) | (Date to) | Event |
| 23 February 1800 | | Born. |
| 18?? | | Educated at Eton and Oxford. |
| 1822 | | Graduated, second class classics. |
| 18?? | | Studied at the Inner Temple, but never called to the bar. |
| 18?? | | Married the illegitimate daughter of an Earl of Upper Ossory. |
| 9 June 1829 | 1831 | M.P. (whig) for Tralee in Kerry 9.6.1829 to 1831. |
| 7 August 1830 | 1861 | Honorary Metroplitan Commissioner under 1828 Madhouses Act. |
| 24 November 1830 | 20 November 1834 | Commissioner of the Treasury. |
| 31 May 1831 | 1859 | M.P. for Northampton Borough from 31.5.1831 to 1859 (until being made a peer). |
| 21 April 1835 | 30 September 1839 | Secretary to the Board of Control (the 'India Board'). |
| 2 September 1839 | 2 September 1841 | Under Secretary of State for War and Colonies. |
| 21 August 1841 | | Privy Councillor. |
| 1845 | | Co-sponsored 1845 Lunacy Acts. |
| 6 February 1852 | 28 February 1852 | Secretary at War. |
| 3 March 1855 | 6 March 1858 | President of the Board of Control. |
| 1859 | | 1st Baron Lyveden. |
| 13 July 1872 | | G.C.B. (Knight Grand Cross of the Bath), civil |
| 10 November 1873 | | Died. |