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| Charles Ramsay Drinkwater-Bethune R.N. | Explanation |
| Second surving son of Colonel John Drinkwater of Thornycroft, Surrey |
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| Date (from) | (Date to) | Personal |
| 27 December 1802 | | Born |
| 1835 | | Member of the Earl of Durham's mission to report on the naval establishments of Russia |
| 1837 | | Assumed the name of Bethune when his mother inherited the estates of her brother, George Congalton-Bethune |
| 29 July 1841 | | C.B. (Companion of the Bath), for service in the first Anglo-Chinese war |
| 1846 | | Married Frances Cecelia, only child of Henry E. Stables of Park Hill, Clapham, Surrey |
| 14 February 1884 | | Died (Queensberry Place, South Kensington) |
| |
| Date | Rank |
| 2 August 1815 | Entered Navy |
| 29 October 1822 | Lieutenant |
| 14 April 1828 | Commander |
| 22 July 1830 | Captain |
| 3 October 1855 | Rear-Admiral |
| 10 November 1862 | Vice-Admiral |
| 2 April 1866 | Admiral |
| 1870 | Retired Admiral |
| |
| Date from | Date to | Service |
| 29 October 1822 | | Lieutenant in Doris, commanded by Thomas Bourchier, South America |
| 21 October 1823 | 12 January 1825 | Lieutenant in Doris, commanded by William James Hope Johnstone, South America |
| 21 August 1826 | | Lieutenant in Barham, flagship of Charles Elphinstone Fleeming, West Indies |
| 14 April 1828 | | Commander in Ferret |
| 182? | | Commander in Espiegle |
| September 1829 | | Acting Captain in Magnificent, receiving-ship at Jamaica |
| 9 September 1836 | 15 January 1842 | Captain in Conway (from commissioning until paying off), East Indies (including the first Anglo-Chinese war) |
| January 1846 | | Assistant to the Admiralty Hydrographer |