. . "Sumly Chan Yuen-sum" . "Sumly Chan" . "Chan" . "Sumly Yuen-sum" . "Sumly Chan Yuen-sum" . . . . "1958" . . . . . . "Sumly Chan" . . . . . . . . . . . . "Yuen-sum" . . . "1958-03-23" . . .