John Tsang , the eldest child , was born as Mui Chun - wah in Hong Kong on 21 April 1951 .
John Tsang , the eldest child , was lived in Sai Yeung Choi Street in his childhood .
John Tsang , the eldest child , was born as Mui Chun - wah in Hong Kong on 21 April 1951 and lived in Sai Yeung Choi Street in his childhood .