PERSONAL PRONOUNS are those that by their form indicate the speaker, the person spoken to, or the person or thing spoken about.
Pronouns of the FIRST PERSON indicate the speaker. Ex: I, me, my, mine, we, us, our, ours.
Pronouns of the SECOND PERSON indicate the person or thing spoken to. Ex: you, your, yours. There are also the grave or solemn forms in the second person, which are now used in spoken English:ye,yo.
Pronouns of the THIRD PERSON indicate the person or thing spoken of. Ex: he, his, him, she, her, hers, they, their, theirs, them, it, its.