Alexios IV Angelos (or Alexius IV Angelus) (Greek: Αλέξιος Δ' Άγγελος) (c. 1182 – February 8, 1204) was Byzantine Emperor from August 1203 to January 1204. He was the son of Emperor Isaac II Angelus and his first wife Irene. His paternal uncle was Emperor Alexius III Angelus.
Read more about Alexios IV Angelos: Prince in Exile, Emperor, Deposition and Death