Xiahou Xuan
Cao Zhen had a younger brother, Cao Bin (曹彬), who received a marquis title and a marquisate of 200 taxable households by Cao Pi's decree. He also had a younger sister who married Xiahou Shang and bore Xiahou Xuan and Xiahou Hui; her personal name is unknown and she was referred to as the Lady of Deyang District (德陽鄉主).