the Marauder generation never thought that they would be watching the story of their kid's life on screen , especially that part where the Potter and Black family finally come together . Saying Sirius black was astonished by the fact that he had a son would be and understatement, but he couldn't deny the joy of thinking having a son out there even if his mother was a greek goddess. *I do not harry potter or Percy jackson , all book writes go to uncle Rick and jk Rowling *