Complex sentence: In September 1727, the Yongzheng Emperor was said to have forced Hongshi, then 23, to commit suicide by hanging himself, although there are no definitive historical records on the circumstances of Hongshi's death.
Split into simpler sentences: In September 1727, the Yongzheng Emperor allegedly forced Hongshi, then 23 years old, to commit suicide by hanging himself. However, there are no definitive historical records on the circumstances surrounding Hongshi's death.