One of its greatest kings lost the Battle of Magnesia after earlier winning at Raphia over a ruler of this dynasty's major rival; that rival king bore the epithet "Philopator".
This kingdom capitulated to client-state status, surrendering an annual roster of hostages per the Treaty of Apamea, in the wake of a crushing loss to the Attalid Euemenes II and Lucius Scipio. It descended into chaos after an ambitious Nabatean stab Alexander Balas, whose son was used to engineer the brief reign of Tryphon after conflicts with the Hasmonean dynasty destabilized this kingdom's rule. One of its greatest kings lost the Battle of Magnesia after earlier winning at Raphia over a ruler of this dynasty's major rival; that rival king bore the epithet "Philopator". With the aid of Lysimachus, this kingdom's founder defeated Antigonus the One-Eyed and himself earned the epithet "Nicator" by winning the Battle of Ipsus, possibly thanks to selling his daughter to the Mauryans in exchange for elephants. For 10 points, identify this dynasty which warred with Ptolemaic Egypt to control the territory held by Alexander the Great.
This kingdom capitulated to client-state status, surrendering an annual roster of hostages per the Treaty of Apamea, in the wake of a crushing loss to the Attalid Euemenes II and Lucius Scipio.
Seleucid Empire