Xiao En thought Fan Xian was his grandson.

Xiao En thought Fan Xian was his grandson because of Chen Pingping's scheme. Chen Pingping hoped that by making Xiao En believe that Fan Xian was his grandson, he could learn the secrets of the Divine Hall and other secrets from him. Fan Xian listened to Chen Pingping's plan and made Xiao En mistakenly believe that he was his grandson. In the end, Fan Xian did not expose the lie when he learned of the secret and his background, giving Xiao En one last comfort. Thus, Xiao En's belief that Fan Xian was his grandson was based on Chen Pingping's misdirection.

Xiao En thought Fan Xian was his grandson because of Chen Pingping's scheme. Chen Pingping hoped that by making Xiao En believe that Fan Xian was his grandson, he could learn the secrets of the Divine Hall and other secrets from him. Fan Xian listened to Chen Pingping's plan and made Xiao En mistakenly believe that he was his grandson. In the end, Fan Xian did not expose the lie when he learned of the secret and his background, giving Xiao En one last comfort. However, according to other search results, Fan Xian was actually the adopted son of the Qing Minister of Revenue, Fan Jian, and the son of the Qing Emperor. He was not related to Xiao En. Therefore, Sean was wrong.

Fan Xian was not Xiao En's biological grandson. Chen Pingping had set up a scheme to make Xiao En mistakenly believe that Fan Xian was his grandson so that he could learn the secrets of the Temple from him. In reality, Xiao En's biological grandson was Yan Bingyun. Therefore, Fan Xian was not Xiao En's biological grandson.

Fan Xian was not Xiao En's grandson. Fan Xian's true identity was the son of the Qing Emperor and Ye Qingmei. Xiao En mistakenly believed that Fan Xian was his grandson because of Chen Pingping's scheme. Chen Pingping used Xiao En's suspicious personality to make him mistakenly believe that Fan Xian was his grandson. He used this to dig out the secret Xiao En had long held regarding the Temple. Fan Xian chose to hide this fact out of kindness and sympathy for Xiao En. Therefore, according to the information provided, Fan Xian was not Xiao En's grandson.

Fan Xian was not Xiao En's biological grandson. Fan Xian's true identity was the son of the Qing Emperor and Ye Qingmei. Xiao En was mistaken for his biological grandfather. Xiao En's biological grandson was Yan Bingyun. Chen Pingping had devised a scheme in the play to make Xiao En mistakenly believe that Fan Xian was his grandson. He used this to pry out the secret Xiao En had long held regarding the Temple. Fan Xian chose to hide his identity out of kindness and understanding for Xiao En. He believed that Xiao En had experienced many misfortunes and hardships in his life. Therefore, Fan Xian was not Xiao En's biological grandson.

Fan Xian was not Xiao En's biological grandson. Fan Xian's true identity was the son of the Qing Emperor and Ye Qingmei. Xiao En was mistaken for his biological grandfather. Xiao En's biological grandson was Yan Bingyun. Chen Pingping had devised a scheme to make Xiao En mistakenly believe that Fan Xian was his grandson. He wanted to use this to pry out the secret of the Temple hidden deep in Xiao En's heart. Fan Xian chose to hide his true identity out of kindness and sympathy for Xiao En.

Fan Xian was not Xiao En's grandson. Xiao En had mistakenly thought that Fan Xian was his grandson. It was a trick Chen Pingping had set up to get out of Xiao En's heart about the secret of the Temple. After Chen Pingping captured Xiao En, he often revealed information about his grandson to Xiao En, making him believe that Fan Xian was his biological grandson. However, according to the information in the search results, Xiao En's grandson was actually Yan Bingyun, not Fan Xian. Xiao En chose to tell Fan Xian the secret. On one hand, it was to fulfill his long-cherished wish. On the other hand, it was to let Fan Xian protect his secret. Therefore, Fan Xian was not Xiao En's grandson.

Fan Xian was not Xiao En's biological grandson. Fan Xian's true identity was the son of the Qing Emperor and Ye Qingmei. Xiao En was mistaken for his biological grandfather. Xiao En's biological grandson was Yan Bingyun. Chen Pingping had devised a scheme to make Xiao En mistakenly believe that Fan Xian was his grandson. He wanted to use this to pry out the secret of the Temple hidden deep in Xiao En's heart.

Fan Xian was not Xiao En's biological grandson. Fan Xian's true identity was the son of the Qing Emperor and Ye Qingmei. Xiao En was mistaken for his biological grandfather. Xiao En's biological grandson was Yan Bingyun. Chen Pingping had devised a scheme in the play to make Xiao En mistakenly believe that Fan Xian was his grandson. He used this to pry out the secret Xiao En had long held regarding the Temple. Therefore, Fan Xian was not Xiao En's biological grandson.

Fan Xian was not Xiao En's biological grandson. Fan Xian's true identity was the son of the Qing Emperor and Ye Qingmei. Xiao En was mistaken for his biological grandfather. Xiao En's biological grandson was Yan Bingyun. Chen Pingping had devised a scheme in the play to make Xiao En mistakenly believe that Fan Xian was his grandson. He used this to pry out the secret Xiao En had long held regarding the Temple. Therefore, Fan Xian was not Xiao En's biological grandson.