Complex sentence: His last years were embittered by the terrible sufferings of his daughter, who died in 1854, and he himself died on 22 September 1857, and was buried in Ary Scheffer's family tomb.
Split into simpler sentences: His last years were embittered by the terrible sufferings of his daughter, who died in 1854. He died on 22 September 1857, and was buried in Ary Scheffer's family tomb.