Question: What nationality is Antiochus Ix Cyzicenus's mother?
Sentence (from "Antiochus X Eusebes"): Other accounts exist: the ancient Greek historian Appian has AntiochusX defeated by the Armenian king Tigranes II and losing his kingdom; the third century historian Eusebius wrote that AntiochusX was defeated by his cousins and escaped to the Parthians before asking the Romans for help in having him reinstated on the throne.
Relevant evidence: No