This ruler's final years were spent near Tivoli in a life of relative comfort.  
This ruler's final years were spent near Tivoli in a life of relative comfort.  That life was made possible because this ruler's rebellion was laid at the hands of a secretary, Longinus, a faithful servant of Lord Odenathus, his master's spouse.  Upon Odenathus' death, this leader took advantage of the weakness of Gallienus and waged war for five years, before finally succumbing to the forces of Aurelian in 272 AD.  FTP, name this thorn in the side of Rome, a famous queen of Palmyra.
This ruler's final years were spent near Tivoli in a life of relative comfort.  
Zenobia