Gnaeus Domitius Philippus was a Roman eques who held a number of military and civilian positions during the first quarter of the third century.
An inscription from Rome, but now lost, attests that Philippus was praefectus vigilum, or commander of the night watch, in 241.
[3] While the primary concern of the governor of Egypt was to safeguard the harvest and delivery of grain to the populace of Rome, he had other responsibilities that was not normally handled by a military official.
[4] Another surviving example is a petition addressed to Philippus dated 1 January 242, where the petitioner states she had applied to him for bonorum possessio.
The Persians had raided Roman territory in previous years -- Nisibis and Carrhae under Maximin, Dura Europos in 238.