Hugh James O'Beirne (1866-1916) ... Irish-born official of UK Foreign Office ... served in St. Petersburg and Sofia ... ... died at age 49 with Kitchener off coast of Scotland ---
Page 158 of this book says that this statement written by O'Beirne was "the first Foreign Office minute to link the fate of Palestine both with Jewish interests and with British chances of of victory" in World War.
Page 138 of this book says that
After the fiasco, following Grey's proposal in March 1916, the idea of using Zionism was shelved, while the death of Hugh O'Beirne in HMS Hampshire on 5 June 1916 deprived it of its staunchest supporter.In fact O'Beirne was actually the chief architect of the proposal attributed to Grey, which was rejected by the French who may have regarded it as an attempt by the British to use the Jews to undermine French interests in Palestine. Events involving Hugh O’Beirne: