Who Ruled The Seleucid Empire?

Who Ruled The Seleucid Empire? King Reign (BC) Comments Seleucus II Callinicus246–225 BC Seleucus III Ceraunus (or Soter) 225–223 BC Seleucus III was assassinated by members of his army. Antiochus III the Great 223–187 BC Antiochus III was a brother of Seleucus III Seleucus IV Philopator 187–175 BC This was a brother-sister marriage. Who conquered