Benvolio is the reason Juliet died Why did Juliet die and who is to blame? Benvolio is responsible for their death. In the tragic play, Romeo and Juliet by William Shakespeare, Romeo, and Juliet fall in love but kill themselves over each other's deaths to be together for eternal life. In Verona Italy, there is a war going on between the Capulets and the Montagues are fighting. They kept fighting until their children Romeo and Juliet died. Then they come to an agreement and a truce. Benvolio Romeo's cousin Benvolio is the most responsible for the tragic death of Romeo and Juliet. In the entire book, there is his cousin Benvolio who increased and went with him to sneak into the Capulet's party where Romeo met Juliet. He was the reason