Are there any novels that describe the rebirth of Li Yuan's eldest son, Li Jiancheng, that you can recommend?

"The New Prince of the Tang Dynasty."

Li Yuan's attitude towards Li Shiming and Li Jiancheng was complicated and subtle. In the process of overthrowing the Sui Dynasty, Li Yuan valued Li Jiancheng very much and gave him more military power. However, he later weakened Li Shimin's power and supported Li Jiancheng. However, when Li Jiancheng gained the upper hand, Li Yuan would suppress him again and support Li Shimin again. This capricious attitude caused Li Shimin and Li Jiancheng to be dissatisfied with Li Yuan. The relationship between the two brothers gradually drifted apart and was filled with mutual suspicion. In addition, Li Yuan's attitude towards Li Shimin was also that power came first. He believed in Li Shimin's military ability, so he could control the army without worry in the war. In general, Li Yuan's attitude towards Li Shiming and Li Jiancheng was complicated and changing. There was respect and love, but also suppression and suspicion.

Yes, Li Wanqing was Li Jiancheng's daughter.

😋I recommend My Wife is the Chief to you! The main character traveled through the Tang Dynasty and became a son-in-law who married a chieftain. The Xuanwu Gate incident also changed a little. Li Jiancheng and Li Yuanji were not killed. There was also an interesting detail. The main character, Li Yuan, taught a soul awakening course in the novel, which was equivalent to a principal. I hope you will like my recommendation.

Li Shimin had given Li Jiancheng two titles. In the second year of Zhenguan, Li Shimin pursued Li Jiancheng as King of Xi and changed his burial. At the same time, Li Shimin also made Li Jiancheng the hidden crown prince. These actions could be interpreted from two aspects. First of all, Li Jiancheng's posthumous title could clear Li Shimin's name, making his process of seizing the throne more reasonable and legal. Secondly, Li Jiancheng's promotion was also to stabilize the internal situation and ease the conflict with the original Eastern Palace and King Qi's Mansion. This would help stabilize the court and eliminate the negative influence of killing brothers. Li Shimin's act of enfeoffment showed his tolerance and wisdom as an emperor, and at the same time provided important thoughts about power, family, and morality for future generations.

We can see how Li Shimin treated Li Jiancheng's concubines. Li Shimin adopted a different attitude towards Li Jiancheng's concubines after the incident at Xuanwu Gate. Li Jiancheng's Crown Princess Zheng Guanyin was moved to another residence, while Li Yuanji's Princess Yang became Li Shimin's concubine and gave birth to Prince Li Ming. Zheng Guanyin died in 676 at the age of 78. Li Shimin mourned her deeply and buried her with a grand ceremony. Yang died of illness in 647, and her posthumous title was still Princess Chao. It could be seen that Li Shimin treated Li Jiancheng's concubines differently. He respected and remembered Zheng Guanyin more, while he gave favor and special treatment to the Yang family.

Li Chengqian was the eldest son of Emperor Taizong of the Tang Dynasty, Li Shimin. He was made the crown prince when he was young and was loved and valued by his father. According to historical records, Li Chengqian was described as intelligent, kind, filial, and outstanding in appearance. He was deeply loved by Li Shimin. His education was also highly valued. Li Shimin hired a first-class Confucian master and an important minister to guide his studies. However, Li Chengqian chose to rebel after he became an adult and attempted to seize the world. As for why he made such a choice, there was no clear explanation in the historical records. Therefore, there was no definite answer as to the specific situation of Li Chengqian's eldest son and why he chose to rebel.

Li Chengqian was the eldest son of Li Shimin, Emperor Taizong of the Tang Dynasty. He was born in 619 AD and was conferred the title of King Heng Shan. Later, he was conferred the title of King Sun Yat-sen. Li Shimin doted on him very much and arranged for a famous Confucian master to teach him the classics. After Li Shimin ascended the throne, he immediately made Li Chengqian the Crown Prince. Li Chengqian was described as a smart, filial, and sincere person. He began to participate in government affairs at the age of 12. However, information about Li Chengqian's ridiculous behavior or events was not found in the search results provided.

Li Chengqian's eldest son is Li Xiang.

Li Jiancheng's wives were Zheng Guanyin and Yang Shi. Zheng Guanyin was Li Jiancheng's Crown Princess, and Yang Shi was Li Yuanji's wife. The other search results did not mention Li Jiancheng's other wives.