text: "Bilbo have you been in Gaffer's old brew?"
  "and that's for my old Gaffer!"
  I thought from context Gaffer was Sam's father's name 
  Apparently it's short for grandfather?
  And now that I read the wiki apparently both are correct?
  He IS Sam's father
  Nicknamed Gaffer
  coz he's old
  lol
  #TheLordofTheRings