Empress Gao
Empress Dowager Bo (薄太后) was an imperial concubine of Emperor Gaozu of Han (Liu Bang). She was also known as Consort Bo (薄姬) during the life of the Emperor, and more formally as either Empress Dowager Xiaowen (孝文太后) or (rarer) Empress Gao (高皇后). Despite being a concubine of lower standing, her son, Liu Heng, became Emperor Wen of Han, cementing her place in history. The year of her birth is not known. She died in 155 BC.