Are Gao Zhan and Gao Yan the same mother?

Gao Zhan and Gao Yan did not have the same mother. Gao Zhan's mother was Lou Zhaojun, while Gao Yan's mother was Lou Zhaojun's half-sister, Empress Dowager Lou.

Gao Wei was Gao Zhan's son.

Gao Zhan was played by the actor Chen Xiao.

There was no relevant information about the novel of Gao Changgong x Gao Zhan because these two characters were real characters in history. There were no related novels or TV series that involved their stories.

Gao Zhan was described as a smart and kind person in the Nirvana in Fire Board. He was in the depths of the palace and knew the most secrets of the emperor. His intelligence and wisdom were beyond that of ordinary people. He knew how to advance and retreat, distinguish right from wrong, and had a very high EQ. Despite the constant politics and party struggles in the palace, he always kept his head clear and had his own judgment and choices. He did not take the initiative to win over the powerful, nor did he take sides. Instead, he sincerely helped Ni Huang, King Jing, Mei Changsu, and the others. Gao Zhan had always served the Emperor diligently and abided by the rules, thus winning the Emperor's trust. Although he was inclined to support King Jing after the plot stabilized, the Emperor still believed in him. This showed his intelligence and wisdom, which was not something ordinary people could compare with. In general, Gao Zhan showed his intelligence and kindness in the play.

Gao Zhan recognized Lin Shu's identity in the Nirvana Board. In episode 49, Xia Jiang pointed out to Emperor Liang that Mei Changsu was Lin Shu, which aroused Emperor Liang's suspicion of Mei Changsu. Emperor Liang planned to assassinate Mei Changsu with poisoned wine and ordered Gao Zhan to prepare two glasses of wine. One of them was poisoned for Mei Changsu and the other was not poisoned for himself. When Gao Zhan was holding the glass of wine, he deliberately said loudly that this glass of wine belonged to Mr. Su, hinting that there was something wrong with this glass of wine. Therefore, it was certain that Gao Zhan recognized Mei Changsu as Lin Shu.

Gao Zhan was a figure from the Northern Qi Dynasty.

Gao Zhan was the Emperor of the Northern Qi Dynasty.

Gao Zhan recognized Lin Shu's identity in the Nirvana Board. In episode 49, Xia Jiang pointed out to Emperor Liang that Mei Changsu was Lin Shu, which aroused Emperor Liang's suspicion of Mei Changsu. Emperor Liang planned to assassinate Mei Changsu with poisoned wine and ordered Gao Zhan to prepare two glasses of wine. One of them was poisoned for Mei Changsu and the other was not poisoned for himself. Gao Zhan recognized Lin Shu during this process.

Gao Zhan recognized Lin Shu's identity in the Nirvana Board. In episode 49, Xia Jiang pointed out to Emperor Liang that Mei Changsu was Lin Shu, which aroused Emperor Liang's suspicion of Mei Changsu. Emperor Liang planned to assassinate Mei Changsu with poisoned wine and ordered Gao Zhan to prepare two glasses of wine. One of them was poisoned for Mei Changsu and the other was not poisoned for himself. When Gao Zhan was holding the glass of wine, he deliberately said loudly that this glass of wine belonged to Mei Changsu, hinting that there was something wrong with this glass of wine. Therefore, it could be concluded that Gao Zhan recognized Mei Changsu as Lin Shu through his understanding of Lin Shu and his observation of Mei Changsu.