The Montagues and Capulets are two prominent families in William Shakespeare's play, Romeo and Juliet. They are known for their long-standing feud, which creates a backdrop of conflict throughout the story. This rivalry affects not only the families but also the entire community of Verona, where the play is set. The feud between the Montagues and Capulets leads to tragic consequences, particularly for the young lovers, Romeo Montague and Juliet Capulet. Their secret romance defies their families' hatred, ultimately resulting in a series of misunderstandings and tragic events that highlight the destructive nature of familial conflict.