https://sifuchuck.wix.com/fusaan#!lineage/c2323
Check out these two detailed articles:
Incredible Discovery: A Photo of Real Wong Fei Hung!
http://practicalhungkyun.com/2013/06...wong-fei-hung/
and
Another Photo Discovery: Is this REAL Wong Fei Hung?
http://practicalhungkyun.com/2013/10...wong-fei-hung/