Relative Pronouns Who, Whom, Which, Why, When, Where, Whose, That, Definition and Example Sentences Who Relates to people (Subject) The musician who wrote this song is French. Whom Relates to people (Object) I know the boy whom sits next to you. Which Relates to animals and objects This is the cake which Mary made. Why Refers to reason Do you know the reason why the market is closed today? When Refers to time The day when the concert takes place is Saturday. Where Refers to places This is the house where my son was born. Whose Refers to possession The