"Constans Augustus"@en . "0407Z"^^ . . "Constans II was the eldest son of the Western Roman Emperor Constantine III and was appointed co-emperor by him from 409 to 411. He was killed during the revolts and fighting that ended his father\u2019s reign."@en . "0411-09-18Z"^^ . . . "Constans II"@en . . . "0409Z"^^ . "Usurperof theWestern Roman Empire"@en . .