54. Euseb. in Vit. Constantin. l. iv. c. 69. Zosimus, l. ii. [ c. 39] p. 117. Idat. in Chron. See two notes of Tillemont, Hist. des Empereurs, tom. iv. p. 1086-1091. The reign of the eldest brother at Constantinople is noticed only in the Alexandrian Chronicle.