Following Wikipedia-zh “Hong Kong Government Cantonese Romanisation” https://zh.wikipedia.org/wiki/%E9%A6%99%E6%B8%AF%E6%94%BF%E5%BA%9C%E7%B2%B5%E8%AA%9E%E6%8B%BC%E9%9F%B3
and “Chinese Character Database”
https://humanum.arts.cuhk.edu.hk/Lexis/lexi-can/
I also have seen the HKFFA 37th ceremony. And a few interviews mentioned him.
The only presentation is read ? as “wan6”.There're reasons to suspect that there is an error on the official page of HKFAA. Therefore I object.