Cecilia Cheung's mother, a mixed-British Chinese-English child, gave birth to three children after marrying Hong Kong boss Zhang Renyong, namely Cecilia Cheung, Zhang Haolong and Cheung Pak Man.
Cecilia Cheung's eldest brother Zhang Haolong, without Cecilia Cheung's appearance, height is only 165 cm, is a film and television actor and water skier, as an artist Zhang Haolong has participated in "Three or Five Groups", "Hong Kong Strange Case Record" and other works, Zhang Haolong once bluntly said that he first entered the industry because he made some actors friendly, and was invited to make a movie. Some Taiwan media reported that Zhang Haolong spent HK$25.25 million to buy a mansion, and there is speculation that it should be bought by his sister Cecilia Cheung. Zhang Haolong came forward to deny, "I didn't rely on my sister when I entered the show business circle, and I didn't want to rely on her when I bought a house!" ”
Cecilia Cheung's other younger brother, Cecilia Cheung, 33 years old, 180cm tall, it is reported that Cheung Pak-wen in the early years because he had no money to pay rent, was recovered by the court rent, and then Cecilia Cheung paid off the debt for him, learned that his brother intended to drive a taxi to make a living, and then took out HK$700,000 out of his own pocket to buy a luxury car for his brother. In 2002, Cheung Baiwen followed Cecilia Cheung to join the entertainment industry and signed a contract to become a singer, and now Cheung Baiwen has also begun filming and working as a radio DJ.