What was the name of this novel? It was about the lost eldest prince of the Great Tang who was conferred the title of Southern Emperor by Li Shimin?

The novel that tells the story of Li Shimin's lost eldest son is called "The Great Tang begins with rescuing Li Er" or "The Great Tang: My son, stop pretending, ascend the throne and become emperor!" " by the author Poor Scholar.

Li Shimin had many dukes, including Zhangsun Wuji, Duke of Zhao, Du Ruhui, Duke of Zheng, Fang Xuanling, Duke of Shen, Gao Shilian, Duke of E, Yuchi Jingde, Duke of Wei, Xiao Yu, Duke of Song, and Duan Zhixuan, Duke of Bao.

After the establishment of the Tang Dynasty, Li Shimin was granted the title of Duke of Qin, and later the title of King of Qin. Other than that, he had also served as a Shangshu Ling, the Right Marquis General, and other official positions. However, the specific information about him being named General of Heavenly Strategy was not found in the search results provided. Therefore, I don't know the specific answer to the question of Li Shimin being promoted.

During the Tang Dynasty, Li Shimin carried out the action of enfeoffing meritorious officials. In the 11th year of Zhenguan, he issued an edict, granting some meritorious officials hereditary provincial governors. These meritorious officials included Zhangsun Wuji, Xiao Yu, Duan Zhixuan, and others. However, this action caused widespread controversy and resistance. Some ministers were worried that the hereditary system would hinder the path of virtuous people and was not conducive to the long-term stability of the country. Therefore, Li Shimin's plan to enfeoffe meritorious officials was eventually put on hold. The search results did not provide a clear answer as to why Li Shimin was enfeoffing meritorious officials.

The protagonist was Li Shimin's eldest son, who was lost outside. Many documents mentioned this plot setting. This setting might appear in different novels, some of which had titles such as " Return to the Tang Dynasty to Be an Emperor,"" The God-level Prodigal Son of the Tang Dynasty,"" Tang Dynasty: I Really Don't Want to Be an Emperor," and so on. However, the details of the plot and the development of the story required further reading of related novels to obtain more information.

Li Chengqian was the eldest son of Emperor Taizong of the Tang Dynasty, Li Shimin. His fate was closely related to Li Shimin. Li Shimin ascended the throne after the incident at Xuanwu Gate and appointed Li Chengqian as the Crown Prince. He hoped that Li Chengqian would become a good Emperor and ensure the stability of the Li family. Li Shimin had poured a lot of effort and resources into cultivating Li Chengqian, and he attached great importance to his education. Li Chengqian was also a very obedient child. He worked hard to be a qualified Crown Prince and was praised by the officials. However, Li Chengqian's fate was far from satisfactory. He was deposed as Crown Prince and executed, probably because of his plot against Hou Junji. Li Chengqian's destiny was full of trickery and tragedy.

Li Shimin's Crown Prince was called Li Chengqian.

The crown prince of Emperor Taizong of the Tang Dynasty, Li Shimin, was Li Chengqian. Li Chengqian was Li Shimin's eldest son, born by Empress Zhangsun. When he was young, he was described as smart, kind and filial, and was loved by Li Shimin. However, the search results did not provide any detailed information about his performance and achievements.

The crown prince of Li Shimin of Tang Dynasty was Li Chengqian.

There were several novels about Li Shimin's lost eldest son. One of them was " Tang: I've Become Li Shimin's Big Son ", which told the story of a man named Li Qiu who accidentally transmigrated to the Tang Empire and became the eldest son of Li Shimin and Empress Zhangsun. The other book was " Great Tang: I Really Don't Want to Be the Emperor ", which was about a person called Li Yan. However, the search results provided did not provide detailed information about these novels, such as the author, publication time, etc. Therefore, he could not provide a more specific answer.