 A few years later, in 253, they attacked Upper Egypt (Thebaid) again but were quickly defeated.In 265, they were defeated again by the Roman Prefect Firmus, who later in 273 would rebel against the Empire and the Queen of the Palmyrene Empire, Zenobia, with the help of the Blemmyes themselves.The Blemmyes were said to have joined forces with the Palmyrans against the Romans in the battle of Palmyra in 273

The Roman general Marcus Aurelius Probus took some time to defeat the usurpers with his allies but couldn't prevent the occupation of Thebais by the Blemmyes.