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| Charles Augustus Ellis | |
| Elder son of Charles Rose Ellis, M.P. |
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| Date (from) | (Date to) | Personal |
| 5 June 1799 | | Born |
| 8 July 1803 | | Succeeded his great grandfather, the Bishop of Derry, as Baron Howard de Walden |
| April 1817 | | Ensign in Grenadier Guards |
| 3 October 1822 | | Half-pay Captain in the 8th regiment, Grenadier Guards |
| 26 May 1824 | 9 June 1828 | Under Secretary of State for Foreign Affairs |
| January 1826 | | Attaché to Lord Stuart de Rothesay on mission to Rio de Janeiro |
| 8 November 1828 | | Married Lady Lucy Joan Cavendish-Bentinck-Scott, fourth daughter of William Henry, fourth Duke of Portland |
| 2 October 1832 | | Minister plenipotentiary and envoy extraordinary to the court of Stockholm |
| 22 November 1833 | | Minister plenipotentiary and envoy extraordinary to the court of Lisbon |
| 22 July 1838 | | G.C.B. (Knight Grand Cross of the Bath) |
| 1841 | | Grand Cross of the Portuguese order of the Tower and Sword |
| July 1845 | | Succeeded his father as second Baron Seaford |
| 10 December 1846 | | Minister plenipotentiary and envoy extraordinary at Brussels |
| 29 August 1868 | | Died (at his country château of Lesve, near Namur) |