Hadrian and Trajan - A History of Rome

Hadrian served with distinction across the empire, eventually rising to the rank of praetor. He died unexpectedly in 86 a d while still in his mid forties. As the only male in line, he was thrust into the role of pater familius at an incredibly young age. When hadrian was 14, trajan brought him to rome to personally supervise the last stages of the boy's education and oversee his transition to manhood.