Complex sentence: An increasing disorder in the breast had put him past all exertion for the space of a year; and, on 17 November 1814, a paroxysm of his malady carried him off, at the age of 46.
Split into simpler sentences: An increasing disorder in the breast had put him past all exertion for the space of a year. On 17 November 1814, a paroxysm of his malady carried him off at the age of 46.