Three lipoleum boyne

• three Napoleon boys → Napoleon I, Napoleon II and Napoleon III → Shem, Shaun and the combined Shem-Shaun character
  • Third Census of Finnegans Wake

• Boyne: a river in Ireland → the Battle of the Boyne, 1 July 1690, which has been called "Ireland's Waterloo"
  • Wikipedia
  • A Finnegans Wake Gazetteer

• boyne: a flat shallow tub or bowl