Question: what kind of poison killed romeo and juliet

title: Romeo and Juliet
text: Meanwhile , Benvolio talks with his cousin Romeo , Montague 's son , about Romeo 's recent depression . Benvolio discovers that it stems from unrequited infatuation for a girl named Rosaline , one of Capulet 's nieces . Persuaded by Benvolio and Mercutio , Romeo attends the ball at the Capulet house in hopes of meeting Rosaline . However , Romeo instead meets and falls in love with Juliet . Juliet 's cousin , Tybalt , is enraged at Romeo for sneaking into the ball but is only stopped from killing Romeo by Juliet 's father , who does not wish to shed blood in his house . After the ball , in what is now called the `` balcony scene '' , Romeo sneaks into the Capulet orchard and overhears Juliet at her window vowing her love to him in spite of her family 's hatred of the Montagues . Romeo makes himself known to her and they agree to be married . With the help of Friar Laurence , who hopes to reconcile the two families through their children 's union , they are secretly married the next day .