Li Jing is not the emperor, so why does everyone call him the Third Prince Nezha?

Nezha's movie is very popular recently I guess some of you have already seen it. After reading it, I A question arises in my mind Li Jing is just a general Why is his son Nezha called the Third Prince? We all know that the crown prince is the title of the emperor's eldest son. So this is obviously disrespectful to the emperor. Do you have such doubts? Actually, the answer to why Nezha is called the Third Prince is There are two The first is that art comes from life In ancient times, although the prince was a respectful title for the emperor's son But there were many dynasties that enfeoffed kings. Throw the Emperor He is the most powerful person in the world. So many times The sons of these kings can still be called princes Then Nezha is Li Jing's third son It is only natural that he is called the Third Prince. The second answer is Li Jing's other identity The story of Tang Monk's journey to the West took place during the Tang Dynasty Wu Chengen's novels It is also compiled based on his experience. So this inevitably reminds us of the king of arsenic Pisaramon is the guardian deity of Indian Buddhism. Introduced to China by Xuanzang Later, it was worshipped by people of the Tang Dynasty The fame is getting bigger The Pizzagate King has a son named Nezha later The Investiture of the Gods combines the Pizza King and Li Jing into one person We all know Li Jing of the Tang Dynasty He was a famous general of the founding of the Tang Dynasty He is also one of the twenty-four heroes. The combination of the two created the Tower-Bearing Li Tianwang The king is also the king Then his son is called the prince It is also acceptable Nezha is his third son What's wrong with being called the Third Prince?