She thinks that Juliet is about thirteen, which is, as it happens, correct, although she will be fourteen in a couple of weeks.
Lady Capulet imagines that Juliet is crying because Tybalt, Lady Capulet's kinsman and consequently also Juliet's, is dead.
Lady Capulet tells Juliet that she has arranged for her to marry Paris.
Lady Capulet supports Juliet's marriage o Paris.
Lady Capulet wanted Juliet to seriously consider marriage, and that Juliet was already older than Lady Capulet was when she got married.
Lady Capulet says Julietshe should start thinkingabout marriage.
Lord Capulet is Juliet's father, Lady Capulet is Juliet's mother and Lord Capulet's wife, Tybalt is Juliet's cousin and Lady Capulet's nephew, Nurse is Juliet's, well, nurse (as well as a good friend to her), Samson, Gregory, and Peter are all serving men of the Capulets. :)
Juliet is not yet 14 - "she hath not seen the change of fourteen years" and Juliet was born when lady Capulet was Juliet's age, which makes her around 27-28
Lady Capulet
lady Capulet and lord Capulet
Lady Capulet brings the news of Capulet's suit for Juliet, Paris, and how they are soon to be wed (Thursday morn).
Lady Capulet shares the news that Juliet has been proposed to by Paris and they will be having a grand wedding soon.
Lady Capulet encourages Juliet to love Paris, a wealthy nobleman whom she has arranged for Juliet to marry. Lady Capulet sees him as a suitable match for Juliet and believes that their marriage will bring her happiness and security.