Answer:
Constantius Chlorus and Galerius
Step-by-step explanation:
Constantius Chlorus was a Caesar from 293 to 305 and a Roman Emperor from 305 to 306. He was the father of Constantine the Great. As a Caesar and Augustus, he governed with Galerius.
Galerius campaigned against the Sassanid Empire, as well as against the Carpi. He was also a staunch opponent of Christianity. On the other hand, Constantius Chlorus campaigned extensively across the Rhine frontier, defeating the Alamanni and the Franks.