Juliet's Nurse knows about the marriage. She brings Juliet the message of when and where it will be, and later brings a rope ladder so that Romeo can climb to Juliet's balcony so that the lovers can spend their first night together. Juliet's Nurse is the only other person that knows about Juliet's marriage. The nurse the person that brings the letter that Romeo sends to Juliet.
Juliet's Nurse knows about the marriage. She brings Juliet the message of when and where it will be, and later brings a rope ladder so that Romeo can climb to Juliet's balcony so that the lovers can spend their first night together. Juliet's Nurse is the only other person that knows about Juliet's marriage. The nurse the person that brings the letter that Romeo sends to Juliet.
Samson is a Capulet, or to be more accurate, he is a servant of the Capulets. He is not a member of the Capulet family, just someone who works for them.
Juliet's nurse is also aware of Romeo and Juliet's marriage because she helped arrange the ceremony. Others that know of this are Friar Laurence, and, of course, the couple themselves.
Friar Lawrence is neither a Montague nor a Capulet. He is a member of the clergy in Verona who plays a significant role in the lives of Romeo and Juliet.
Tybalt is a member of the Capulet family. A nephew of Lord and Lady Capulet. He is also the character who kills Mercutio and is himself slain by Romeo's hand.
Grenadier?
It depends on what the lawsuit is about but most likely no.
Jail
Tybalt is the first to approach a member of an opposing group in "Romeo and Juliet." He challenges Romeo to a duel at the Capulet party.
No. He is the Prince of Verona and the voice of reason between the Capulet and Montague families, but he is not a member of either family.
An acatour is a member of a large household who is responsible for buying provisions.
Tybalt left the Capulet party in anger because he recognized Romeo, a Montague, at the party and felt disrespected that a member of the rival family would crash their celebration. Tybalt was known for his hot temper and loyalty to the Capulet family, so seeing Romeo there incited his anger.