郭臺銘有兩個兄弟。母親初永真係山東人；父親郭齡瑞係山西人，長年喺警界服務；郭臺銘係家中嘅長子。
Gou has two brothers. His mother, Chu Yongzhen, is from Shandong, his father Guo Lingrui is from Shanxi and has served in the police for many years, and Guo Taiming is the eldest son in the family.