This wall builder became the Ward of Trajan & followed him as Roman Emperor
[DOC] [TLE] Life of Hadrian - Internet History Sourcebooks [PAR] Bereft of his father at the age of ten, he became the ward of Ulpius Trajanus, his 
.... And, indeed, many aver that Trajan had purposed to follow the example of ... in 
case aught befell him, to appoint a ruler for the Roman Empire, and merely .... first 
to construct a wall, eighty miles in length, which was to separate the barbarians... [DOC] [TLE] Hadrian - New World Encyclopedia [PAR] Some consider him among the most gifted men produced by Rome.