It is fairly common nowadays, for example in Star Trek, to refer to aliens collectively as people when they are to some degree similar to humans and fairly relatable.

What was the first instance of the use of the term person or people (in the sense of persons) to refer to non-human aliens?

It is fairly common nowadays, for example in Star Trek, to refer to aliens collectively as people when they are to some degree similar to humans and fairly relatable.

What was the first instance of the use of the term person or people (in the sense of persons) or man/men (in the old-fashion generic person sense) to refer to non-human aliens?

This question is not meant to exclude the term woman. It's just that in the old-fashioned generic sense of man, woman wasn't used equivalently.