In his first two years of marriage, Byng's wife suffered several miscarriages, resulting in the declaration that she would be unable to bear children. By January 1904, Byng had also, while playing polo, broken his right elbow so severely that it was feared he would have to quit the Army. After four months' treatment in England, though, he was pronounced to be again fit for duty and in May became the first commandant of the new cavalry school at Netheravon. The posting was to be only a brief one, as, on 11 May 1905, Byng was made commander of the 2nd Cavalry Brigade at Canterbury, with the simultaneous temporary rank of brigadier general and substantive rank of colonel. After appointment as a Companion of the Order of the Bath (CB) in 1906, he was again back in Aldershot, in command of the 1st Cavalry Brigade.