(first-person singular possessive determiner) of or belonging to the speaker or writer

내, 나의
(second-person possessive determiner) of or belonging to the person or people being spoken or written to

당신의, 너의
(first-person plural possessive determiner) of or belonging to a speaker when they want to talk or write about themselves and at least one other person

우리의, 우리의 것
(third-person plural possessive determiner) of or belonging to people, animals, or things that have already been mentioned or are easy to identify

그들의, 그들의 것들은
(third-person singular possessive determiner) of or belonging to a man or boy who has already been mentioned or is easy to identify

그의, 그의 것
(third-person singular possessive determiner) of or belonging to a thing or an animal or child of unknown sex

그것의, 그것의 소유의
