Qin Lang was born in the late Eastern Han dynasty and his ancestral home was in Xinxing Commandery (新興郡; around present-day Xinzhou, Shanxi). His father was Qin Yilu, a former subordinate of Lü Bu, a warlord who lived in the late Eastern Han dynasty.
Qin Lang's birth and family background are described in relation to his time period and location within the late Eastern Han dynasty. His father's connection to Lü Bu highlights Qin Lang's potential social and political connections.