Hereditary resignation

There were only 12 "Iron Hat Kings" in the entire Qing Dynasty, for what merits did they all receive this honor?
Qing Dynasty Iron Hat King Hereditary resignation Nurhachi Dolgun Ming dynasty Wang Yuetuo Prince of Alcohol Prince Zheng Zilharang Baylor
01-18
What is hereditary resignation? This dynasty is a model of the hereditary system of disservice
Hereditary resignation Northern Liang King Ming dynasty Knife in the snow Hu Jun
01-08
If you understand the "hereditary resignation", you will understand that everything Xu Xiao did was not just for Xu Fengnian!
Xu Xiao Hereditary resignation Xu Fengnian dynasty King of the Northern Starlings Xu Longxiang
01-05
"Sword Line in the Snow" Because of these three people, Xu Fengnian's "hereditary recklessness" is stable
Xu Fengnian Hereditary resignation Xu Xiao Knife in the snow Chen Zhibao
01-03
Xu Xiao did not hesitate to exchange for Xu Fengnian's hereditary resignation, what is the difference between ordinary hereditary and ordinary hereditary?
Xu Xiao Xu Fengnian Hereditary resignation Northern cool Northern Liang Army
01-02
Sword line in the snow: Xu Xiao counts on the omission to keep the hereditary resignation, and the child daughter-in-law Jiang Ni is the biggest hero?
Xu Xiao Hereditary resignation Ginger puree Xu Fengnian Chu Holy Decree
01-02