Datin Kong Yuk Chu, mother of Malaysian actress-model Lisa Ch'ng and TVB actress Jacquelin Ch'ng, has died at the age of 78. The news was published in Instagram posts by the two sisters as well as Lisa's husband, Hong Kong actor-host Mat Yeung, on Aug 25. They wrote the same caption in their posts: "It is with deep sorrow and a heavy heart that we share that our beloved and respected mother has left us, completing her life journey surrounded by family and friends. We will always love you and miss you mum. "We kindly ask for space and time for our family and request that you respect our mother's memory. We are unable to receive enquiries or…