What was the cause of death of Ceng Zhiwei's wife?

Ceng Zhiwei's second wife, Zhu Xizhen, died of cancer on August 3rd, 2020. His son Ceng Guoxiang confirmed the news of his mother's death through a public statement in the media on August 5th. Ceng Zhiwei was born in 1953 and is 67 years old. Zhu Xi's date of birth is really unknown, but he should be younger than Ceng Zhiwei.

Zhu Xizhen gave birth to two sons, Zeng Guoxiang and Mark Tsang, for Ceng Zhiwei. At the beginning of 2020, it was reported that she returned to Hong Kong for medical examination from Canada due to physical discomfort. At that time, she looked a little weak and was supported by her son Ceng Guoxiang. In May, her son was also witnessed entering and leaving the hospital. Unexpectedly, it is reported that she has died of cancer.

She is willing to be the invisible other half, immigrated to Vancouver, Canada with her son, separated from her husband for more than 20 years, but still held the economic power of the other half, and returned to Hong Kong at the beginning of the year, and the husband and wife also played together.

Matters related to death:

On August 5, 2020, Ceng Guoxiang announced to the media: "My mother, Mrs. Zhu Xizhen, died peacefully in Yanghe Hospital on August 3, 2020." On August 9th, Ceng Zhiwei prepared a coffin for his dead wife Zhu Xizhen.

On August 10, Ceng Zhiwei, his two sons Ceng Guoxiang, Mark Tsang and his daughter-in-law Wang Minyi cremated Zhu Xizhen in Baolian Temple. Ceng Zhiwei, Ceng Guoxiang and so on. It means that the funeral will follow Zhu Xizhen's wishes and be buried at sea.