The Qing Emperor knew that after Fan Xian died,

In " Celebrating Years," the Qing Emperor had always known that Fan Xian was his son. Even though the Qing Emperor had wanted to kill Fan Xian before he was born, Fan Jian had used his own son to replace Fan Xian, allowing him to survive. After Ye Qingmei died, the Qing Emperor decided to let the Crown Prince succeed the throne. Fan Xian was sent to Danzhou to be raised. Thus, the Qing Emperor knew that after Fan Xian died.

In " Celebrating Years," the Qing Emperor had always known that Fan Xian was his son. Even though the Qing Emperor had wanted to kill Fan Xian before he was born, Fan Jian had used his own son to replace Fan Xian, allowing him to survive. After Ye Qingmei died, the Qing Emperor decided to let the Crown Prince succeed the throne. Fan Xian was sent to Danzhou to be raised. Thus, the Qing Emperor knew that after Fan Xian died.

In " Celebrating Years," the Qing Emperor had always known that Fan Xian was his son. Even though the Qing Emperor had wanted to kill Fan Xian before he was born, Fan Jian had used his own son to replace Fan Xian, allowing him to survive. After Ye Qingmei died, the Qing Emperor decided to let the Crown Prince succeed the throne. Fan Xian was sent to Danzhou to be raised.

In " Celebrating Years," the Qing Emperor had always known that Fan Xian was his son. Even though the Qing Emperor had wanted to kill Fan Xian before he was born, Fan Jian had used his own son to replace Fan Xian, allowing him to survive. Through his investigation and Ye Qingmei's letters, Fan Xian gradually revealed the mystery of his birth and learned that the Qing Emperor was his biological father. However, there was no clear answer in the search results regarding whether Fan Xian knew about the Qing Emperor's death. Therefore, based on the information provided, it was impossible to determine whether Fan Xian knew about the situation after the Qing Emperor's death.

In " Celebrating Years," the Qing Emperor had long known of Fan Xian's background and paid close attention to his growth. Fan Xian had transmigrated to the Qing Kingdom from the modern world, and the Qing Emperor had set up a trap to make Xiao En think that Fan Xian was his grandson. His goal was to get the secret of the Temple out of Xiao En's mouth. Although Fan Xian's true identity had not been publicly acknowledged by the Qing Emperor, he had always known that Fan Xian was a modern man. Thus, the Qing Emperor knew that Fan Xian was a transmigrator.

In " Celebrating Years," the Qing Emperor had long known of Fan Xian's background and paid close attention to his growth. Fan Xian had transmigrated to the Qing Kingdom from the modern world, and the Qing Emperor had set up a trap to make Xiao En think that Fan Xian was his grandson. His goal was to get the secret of the Temple out of Xiao En's mouth. Although Fan Xian's true identity had not been publicly acknowledged by the Qing Emperor, he had always known that Fan Xian was a modern man. Thus, the Qing Emperor knew that Fan Xian was a transmigrator.

The Qing Emperor indeed knew that Fan Xian was dead. In document 2, it was mentioned that after the Qing Emperor heard of Fan Xian's death, he ran out with unprecedented speed and called for Chen Pingping. In addition, it was also mentioned in document 1 that when the Qing Emperor came out of the bedroom, his steps were messy, showing that he was shocked and heartbroken by the news of Fan Xian's death. Thus, based on the information provided, it could be confirmed that the Qing Emperor knew Fan Xian was dead.

The Qing Emperor knew that Fan Xian was dead. In the ending of the novel," Celebrating Years," the Qing Emperor and Fan Xian engaged in a fierce battle. In the end, the Qing Emperor was defeated by Fan Xian and the others, while Fan Xian survived. Before the Qing Emperor died, he chose Wu Zhu over Fan Xian. The Qing Emperor's death made Fan Xian the new Emperor. However, the search results did not clearly mention the specific details of the Qing Emperor's knowledge of Fan Xian's death, so it was impossible to give a more detailed answer.

The Qing Emperor learned of Fan Xian's death.

Fan Xian was very sad when he learned of Chen Pingping's death. He cried bitterly and had never cried for anyone else. Chen Pingping's death caused Fan Xian and the Qing Emperor to fall out and became the fuse. When Fan Xian saved Chen Pingping, the Qing Emperor also stopped the people who went up to capture Fan Xian. He Zongwei also took the opportunity to slip away. Chen Pingping's death provoked Fan Xian and made him rise up against the Qing Emperor. Fan Xian's furious action made the Qing Emperor regret it for the rest of his life. Chen Pingping's death also let the Qing Emperor know that Fan Xian would definitely kill him, but he decided to let Chen Pingping go. Fan Xian's pain and anger caused him and the Qing Emperor to completely break off.