Taizidang is a proper noun.It especially means the people who are related to the ruling classes seek an important position,early referring to the prince.Taizidang is a party of china's feudal period of political term,it is generally acknowledged that it contains a component.For example,the prince of tang dynasty kao tsu - Li Jiancheng and his brother Li Yuanji who waited to take the throne as a company,or during the Qing emperor Kangxi period,the political group which cored as the prince Yin-jeng.