Dai Bizhi

Dai Bizhi, born in Hong Kong, China, is the half-sister of Cecilia Cheung. Her mother was previously married to her stepfather, Zhang Renyong, and had experienced a separation or divorce before marrying him. Dai Bizhi's father's surname is Yao; however, there is limited publicly available information about her family background and personal life, and no detailed personal data has been disclosed. After her mother led her into the Zhang family, she became a member of the Zhang household.

Cecilia Cheung's mother is Davies Shally. Before marrying Dai Bizhi's mother, she was married to her former husband and had a daughter—Dai Bizhi. Later, Dai Bizhi became a member of the Zhang family through her mother, but she and Cecilia Cheung do not share the same surname. There are no publicly available detailed reports regarding Dai Bizhi's educational background, career development, or other personal information at this time.

In public appearances, Dai Bizhi has accompanied Cecilia Cheung in Central, Hong Kong, especially in shopping centers such as IFC Mall. When she moves with Cecilia Cheung, she demonstrates the closeness of family ties. Dai Bizhi plays a familial role by accompanying Cecilia Cheung and her niece during shopping and leisure activities, assisting in caring for children, embodying roles of a caring mother and family member.

Additionally, Dai Bizhi maintains a relatively low profile in public and has not been involved in entertainment or other public affairs. Her personal life details are limited, and she mainly appears in the public eye as a family member. Specific information such as her age, professional background, and other personal life details have not been publicly disclosed.

In summary, Dai Bizhi is a woman born in Hong Kong who is related to Cecilia Cheung through family ties. She plays the role of a family member while leading a low-key lifestyle, and detailed personal information about her has not been widely publicly available.