Chen () was a state founded by the Duke Hu of Chen during the Zhou dynasty of ancient China. It existed from c. 1045 BC–479 BC. Its capital was Wanqiu, in present-day Huaiyang County in the plains of eastern Henan province. Chen, the 4th most popular surname in the world, and members of the Hu clan would claim descent from the Duke Hu of Chen who was in turn descended from the legendary Emperor Shun. At its peak, Chen encompassed fourteen cities in modern-day Henan and Anhui. Name It is written 陳 the same as the Chen surname. In ancient texts, it is sometimes misspelled as 敶, also pronounced Chen. Territory Chen was originally from Taihao (太昊、太皞), the capital of Fuxi's clan. It was south of the Yellow River. Capital Its capital was Wanqiu, in present-day Huaiyang County in the plains of eastern Henan province. Zhu Xi explains that Wanqiu means "[a hill] with a crater on top surrounded by high walls on all four sides". Wanqiu features prominently in an eponymous aria in Shijing (《詩經·國風》《陳風·宛丘》) : History According to tradition, the royal family of Chen were descendants of the legendary sage king Emperor Shun. After the conquest of the Shang dynasty in 1046/45 BC, King Wu of Zhou enfeoffed his son-in-law Gui Man, a descendant of Shun, at Chen, and Man became known as Duke Hu of Chen (Chen Hugong). Duke Shēn of Chen, son of Hugong then became second duke of Chen. Chen later became an ally state of Chu, fighting as an ally of Chu at the Battle of Chengpu. It was finally unified with the Chu in 479 BC. Many people of Chen then took the name of their former country as their family name, and account for the many of Chinese people with the family name Chen today. After the destruction of the old Chu capital at Ying, Chen became the Chu capital. Achievements and descendants The founding duke, Chen Hugong, is credited with being the originator of the Chen (surname), now the fourth most popular surname in the world The Chen clan would later found the Chen Dynasty of China and then the Trần dynasty, a golden age of Vietnam (陳朝 Tran is the Vietnamese pronunciation of Chen). In 1400 AD, Hồ Quý Ly overthrew the Trần dynasty and established the Hồ dynasty (Hồ is the Vietnamese pronunciation for "Hu"). He claimed to be