the play is called Hamlet and was writing by William Shakespeare.
http://en.wikipedia.org/wiki/Hamlet
View page
Hamlet Sr (Old Hamlet) was the King of Denmark and Hamlet Jr's
(Hamlet) father. Hamlet Sr dies at the beginning of the play and
the story follows Hamlet Jr as the main character.
Hope this helps,
Have a great day.
View page
No, Hamlet is an only child.
View page
Hamlet
View page
Hamlet stabbed him with the poisoned sword which Laertes had
poisoned to kill Hamlet. He was, in Hamlet's phrase, "hoist with
his own petard."