Information: - Antiochus II Theos (Greek: ; 286246 BC) was a Greek king of the Hellenistic Seleucid Empire who reigned from 261 to 246 BC. He succeeded his father Antiochus I Soter in the winter of 26261 BC. He was the younger son of Antiochus I and princess Stratonice, the daughter of Demetrius Poliorcetes. - Laodice I (flourished 3rd century BC, died before 236 BC) was an Anatolian noblewoman who was a close relative of the early Seleucid dynasty and was the first wife of the Seleucid Greek King Antiochus II Theos. - Antiochus Hierax ( / nta.ks harks / ; Greek : oo , transl . '' Hawk '' ) , or Antiochus III , ( killed c. 226 BC ) , so called from his grasping and ambitious character , was the younger son of Antiochus II and Laodice I and separatist leader in the Hellenistic Seleucid kingdom , who ruled as king of Syria during his brother 's reign . What is the relationship between 'antiochus hierax' and 'antiochus ii theos'?
Answer:
father