According to Toby Russell it's the same woman:

http://hkmdb.com/db/people/view.mhtml?i ... ay_set=eng

http://hkmdb.com/db/people/view.mhtml?i ... ay_set=eng

http://hkmdb.com/db/people/view.mhtml?i ... ay_set=eng

Looks convincing (She is so sweet)

Agreed. I can perform this merge in a few days. In the meantime I can check on some corroborating evidence in Chinese sources. Thanks Toby.

I have merged these three people:

???
Chang Hai-Fen

??
Cheng Feng (1)

???
Chang Hsiao-Fan

Into this person:
???
Chang Hai-Fen
Aliases: Cheung Hoi-Fan, Shing Fung, Cheng Feng, Cheung Siu-Fan, Chang Siao-Feng