Lydia Shum
Adam's parents are both university lecturers. He has four daughters. The oldest, Cheng On-yee, was from his first low-profile marriage that ended in divorce. He married well-known actress Lydia Shum in 1985 after 14 years of cohabitation, and Shum brought him to fame. Adam and Shum had a daughter, Joyce Cheng in 1987. In 1988 they divorced eight months after their daughter's birth in bad terms.