Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Pergamon and its Multi-Layered Cultural Landscape' has mentioned 'Xerxes I' in the following places:
Occurrence Sentence Text Source
At this time Pergamon was in the possession of the family of Gongylos from Eretria, a Greek favourable to the Achaemenid Empire who had taken refuge in Asia Minor and obtained the territory of Pergamon from Xerxes I, and Xenophon was hosted by his widow Hellas.