The only part that I am not 100% sure on is the first and middle names. Above you say the first name is two parts (which means Pin Yi together would be the first name, it is just two words for the first name just like "Mary Kate" is Mary Kate Olsen's first name) but then you go on to say that the first name starts with the middle name (which is confusing because a name can't be both your middle and your first name at the same time--I don't think?).
So to clear it up, is Pin Yi together his first name, and he still probably has some other middle name that he just doesn't normally use and that we have never heard mentioned before?
or
Is Pin his first name and Yi is his middle name, and in that culture you just always use your first and middle names together and there is no other name on his birth certificate aside from that and his surname of Ko?
Hopefully I explained my question well enough. Thanks for lessons.
I'm not taiwanese so I cant tell you if "Pin" is his middle name, If that's the case then "Yi" is his first name, not the other way around as you mentioned. The definition of middle name is not that clear as it is in the US, the truth is on every official paper we only have first name and last name, so officially the middle name doesnt exist.
One think i'm sure is Ko Pin Yi is his name written in his birth certificate.
One more thing, just fyi, women in asia doesnt add the husband last name to hers after married, there wont be any Pitts Clonney Damon Elisabeth lol