[4] On 22 September 1915 he received a mention in despatches from General Ian Hamilton, Commander-in-Chief of the Mediterranean Expeditionary Force,[5] and on 8 November was awarded the Military Cross for his "distinguished service in the Field during the operations at the Dardanelles.

[citation needed] In 1933, upon his father's death, he succeeded as Baron Brabourne following which he was made Governor of Bombay and was invested as a Knight Grand Commander of the Order of the Indian Empire.

Muhammad Ali Jinnah, the chairman of Indian religion-based political party All-India Muslim League, had a meeting with Brabourne on 16 August 1938 at his residence in Shimla.

In the meeting, he requested Brabourne to accept him as the representative of all India's Muslims and in return he promised to support the British at the central assembly, but the Viceroy declined to do so.

[17] They had two sons: His widow, The Dowager Lady Brabourne, was murdered in the 1979 bombing by Provisional Irish Republican Army of 1st Earl Mountbatten of Burma's boat.