This type of pronoun can be used as a way of giving additional information within a sentence, pronouns in this category are that, who, which, whom…

• This is my brother who lives in New Zealand.
• This is the ball that my dog likes best.

A relative pronoun is a pronoun that relates to the word that it modifies and is not specific. In English, relative pronouns are who, whom, which, whose, and that. They refer back to people or things previously mentioned, and they are used in relative clauses.

Relative pronoun list: who, whom, which, whose, that.

Pronoun examples:

• The woman who called yesterday wants to buy the house.
• Now they were driving by the houses which Andy had described.
• She is an artist whose work I really admire.
• The author whom you criticized in your review has written a letter in reply.