Question: how is belshazzar related to nebuchadnezzar?
Answer: Daniel tells Belshazzar that because he has not given honor to God, his kingdom will be given to the Medes and Persians. ... Belshazzar is portrayed as the king of Babylon and "son" of Nebuchadnezzar, though he was actually the son of Nabonidus—one of Nebuchadnezzar's successors—and he never became king in his own right.