진군
Chen Qun was born in the illustrious Chen family of Yingchuan Commandery (), which is around present-day Xuchang, Henan. His grandfather Chen Shi, father Chen Ji and uncle Chen Chen () all held high offices in the central government of the Eastern Han dynasty. As a child, he was already recognised as a talent by the official Kong Rong, a descendant of Confucius and close friend of his father Chen Ji.