Gao Yan had four sons.
Liu Bang had eight sons and one daughter.
Chen Daoming had a daughter named Chen Ge. As for whether there was any information about his other son or daughter, there was no mention of it in the search results, so he could not be sure.
Li Zhi had a total of eight sons and four daughters. His sons were Li Zhong, King of Yan, Li Xiao, King of Dao, Li Shangjin, King of Ze, Li Sujie, King of Xu, Li Hong, Prince of Zhang Huai, Li Xian, and Li Dan, Emperor of Tang. His daughters were Princess Yiyang, Princess Gaoan, Princess Anding, and Princess Taiping.
Li Zhi had a total of eight sons and four daughters. His sons were Li Zhong, Li Xiao, Li Shangjin, Li Sujie, Li Hong, Li Xian, Li Xian, and Li Dan. His daughters were Li Xiayu, Princess Gao An, Princess An Dingsi, and Princess Taiping.
The Emperor had a total of five sons. They were the Great Prince, the Second Prince, the Third Prince, Crown Prince Li Chengqian, and Fan Xian.
Song Zhenzong Zhao Heng had nine sons. They were Zhao Zhen, Zhao Gou, Zhao Xu, Zhao Qi, Zhao Xin, Zhao Xi, Zhao Shu, Zhao Wei, and Zhao Xi.
Gao Zhan and Gao Yan did not have the same mother. Gao Zhan's mother was Lou Zhaojun, while Gao Yan's mother was Lou Zhaojun's half-sister, Empress Dowager Lou.
Gao Zhan and Gao Yan did not have the same mother. Gao Zhan's mother was Lou Zhaojun, while Gao Yan's mother was Lou Zhaojun's half-sister, Empress Dowager Lou.
The empress of Gao Yan of Northern Qi was Empress Yuan of Shuncheng (her original surname was Yuan, but after marrying Gao Yan, she changed her surname to Bu Liugu).