Maurice William Ernest de Bunsen

Sir Maurice William Ernest de Bunsen, 1st Baronet GCMG GCVO CB PC (8 January 1852 – 21 February 1932), was a British diplomat.

De Bunsen was the son of Ernest de Bunsen, second son of Baron von Bunsen, Prussian ambassador to London, by Elizabeth Gurney. He was educated at Rugby School, and Christ Church, Oxford, and entered the diplomatic service in 1877.

De Bunsen was appointed Third Secretary in 1879 and Second secretary in 1883, then served as Secretary of Legation in Tokyo 1891–1894, and as Consul- General in Siam 1894–1897. He was Secretary at Constantinople 1897–1902, Secretary of Embassy and Minister Plenipotentiary at Paris 1902–1905, and saw his first posting as head of station when he was appointed British Envoy Extraordinary and Minister Plenipotentiary at Lisbon in 1905. He was British Ambassador to Spain between 1906 and 1913 and to Austria between 1913 and 1914.

On 16 July 1914, reporting on what he had been told the previous day at a lunch with Count Heinrich von Lützow, who had learned of the planned aggression against Serbia and was trying to derail what he saw as a coming war, told Sir Edward Grey that "a kind of indictment is being prepared against the Servian Government for alleged complicity in the conspiracy which led to the assassination of the Archduke" and that "the Servian Government will be required to adopt certain definite measures in restraint of nationalistic and anarchistic propaganda, and that Austro-Hungarian Government are in no mood to parley with Servia, but will insist on immediate unconditional compliance, failing which force will be used. Germany is said to be in complete agreement with this procedure." An old hand at the diplomatic game, Von Lutzow made a friend of Bunsen feeling obliged to disclose the truth.

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