Question: Where was the Emperor born, under whom Rufrius Crispinus was commander of the Praetorian Guard ? 
Sentence (from "Publius Atilius Aebutianus"): According to ancient sources, Perennis was removed by the influential freedman and chamberlain of Commodus, Marcus Aurelius Cleander, and in 188 Aebutianus suffered a similar fate.
Relevant evidence: No