Who is Ran Min? What's the relationship with Chen Baxian?

It doesn't matter. Ran Min and Chen Baxian were two emperors in different times. Ran Min (? -352), also known as Ran Min, was born in Neihuang, Wei County (now northwest of Neihuang, Henan Province), and was the founder of the regime in the Sixteen Countries Period. He was in office from 350 to 352. Be famous for being brave. In 350, he proclaimed himself emperor, with the title of Great Wei, which was known in history. In 352, Ran Min failed to break through, was captured by Murong Di, the former Yan emperor, and beheaded in Kunshan, and was later named King Ai of Wu by posthumous title. The epitaph of Ran Min's descendants called Ran Min "Emperor Ping". Some scholars believe that this may be because the Wei Ran regime gave Ran Min posthumous title.

Chen Baxian (503-559), born in fine print and rejuvenating the country, was born in Xiaruoli, Xing Wu (now Changxing, Zhejiang) and was the founding emperor of the Chen Dynasty in the Northern and Southern Dynasties.

Chen Baxian came from humble origins and gained the appreciation of Xiao Ying. He joined the army in the middle school attached to Guangzhou, and soon became the governor of Xijiang River and lord protector. By putting down the "Hou Jing Rebellion", Chen Baxian gradually took control of the Liang regime. In the second year of Taiping (557), Emperor Liang Jingdi was abolished, Chen Da was established, and Yongding was changed to Chen Wudi. After seizing power, there were mainly three counter-insurgency wars: the war of pinging the remnants of Wang Sengbian, the war of pingxiaobo and the war of pingwanglin. He reigned for three years, died in 559, and was buried in Wan 'anling, known as Emperor Wu, with the temple name Gaozu. Adopted son Chen Gang acceded to the throne.