Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Site of Palmyra' has mentioned 'Vassal' in the following places:
Occurrence Sentence Text Source
The earliest Palmyrene text attesting a Roman presence in the city dates to 18xc2xa0AD, when the Roman general Germanicus tried to develop a friendly relationship with Parthia; he sent the Palmyrene Alexandros to Mesene, a Parthian vassal kingdom.
[319] Al-Ashraf Musa asked the Mamluk sultan Qutuz for pardon and was accepted as a vassal.