Task: Question Understanding
Input (English): Context : General Sir Francis Seymour, 1st Baronet, GCB (2 August 1813, Lisburn, County Down -- 10 July 1890, Kensington Palace, London) was a British Army officer and courtier. 
Question : What was the military branch for Sir Francis Seymour, 1st Baronet?
Output (English): military branch