Antiochus I's eldest son is a bit of a mystery to research; every source I've accessed so far seems to say something different... This week, we delve into the life and times of Seleucus, co-king from 275 to 266 BCE (approximate dates) who disappears from the story towards the end of his father's reign. As we'll see, he and his father probably didn't have the easiest relationship...

Sources for this episode: 1) Bevan, E. R. (1902), The House of Seleucus (Vol. I). London: Edward Arthur. Quote: p.169. 2) Bevan, E. R., Encyclopaedia Britannica (1911, edited by Hugh Chisholm), Seleucid dynasty. Available at: Wikisource [Accessed 11/04/2021]. 3) The Editors, Encyclopaedia Britannica (2020), Antiochus I Soter (online) [Accessed 11/04/2021]. 4) Grainger, J. D., (2014), The Rise of the Seleukid Empire (323- 223 BCE), Seleukos I to Seleukos III. Barnsley: Pen & Sword Books Ltd. (eBook) [Accessed 04/01/2021]. 5) Jérémy, C. (2020), The Mysterious Fall of the Coregent Seleucus: Triarchic Experiment and Dynastic Strife under the Reign of Antiochus I Soter. Historia 69(4): 408- 440. Please note: I've only been able to access the abstract for this. 6) Kosmin, J. (2014), The Land of the Elephant Kings. London: Harvard University Press. (eBook) [Accessed 03/04/2021]. 7) Lendering, J., Livius (2006, modified 2020), Antiochus I Soter (online) [Accessed 11/04/2021]. 9) Strootman, R. (2014), The Encyclopaedia of Ancient History (1st edition), p.473- 475. London: Blackwell Publishing Ltd. 10) Author unknown, Wikipedia (date unknown), Antiochus I Soter (online) [Accessed 11/04/2021].