Jiu 'er was the son of the Eldest Princess of the An Kingdom and her escort.
A prince was usually the son of an ancient duke or prince. In the Ming and Qing Dynasties, the title of heir was the title of the prince's heir. The eldest son of the prince would be appointed as the heir, and the prince would inherit the title of prince. The other sons would be conferred the title of king. The main wife of the prince would be conferred the title of princess consort.
A prince was the son of a prince, especially the son who would inherit the title in the future. In ancient times, the heir was the eldest son or son of the emperor or feudal lord who inherited the throne. A prince was the official title of the heir to the throne. In the early Han Dynasty, the official title of the legal heir of a prince was the crown prince. Later, in order to distinguish it from the crown prince, it was changed to the crown prince. The son of a prince usually did not have a specific title.
Yi Ren was the son of King Xiaowen of Qin, King Zhuang Xiang of Qin, and the father of Qin Shihuang.
Yiren was the son of King Zhuang Xiang of Qin and the father of Qin Shihuang.
Yong Lin was the son of Emperor Qianlong of the Qing Dynasty.
Hongli was the son of Emperor Yongzheng of the Qing Dynasty.
Kun did not specify whose son it was. In << Big Fish Begonia >>, the kun was formed from Wang Tenglong's soul. According to other search results, Kun was the descendant of a phoenix and a dragon. They were twins and had inherited their father's dragon bloodline. Therefore, Kun's father could be a dragon.
Hongli was the son of Emperor Yongzheng of the Qing Dynasty.