According to HKFA, ?? (???), in The Twin Bracelets , they are the same person.
http://ipac.hkfa.lcsd.gov.hk/ipac20/ipa ... earch&ri=1
Chung Yeung (1) / (??) http://hkmdb.com/db/people/view.mhtml?i ... ay_set=eng
Chung Yeung (2) / (??)http://hkmdb.com/db/people/view.mhtml?id=13159&display_set=eng
Can anyone confirm and update?