He sailed to join Roger 15001, but before he reached him, he was attacked by a fever near a promontory called Ather; the names Ather and Jerusalem (on Ithake) were combined in a prophecy of his death, which followed six days later
Anna Komnene 179.46-180.62
Duke
dux. Lupus protospatharius 59.24-25
dux. Lupus protospatharius 59.31
dux. Anonymus Barensis 152
Duke of Apulia
δοῦκα. Skylitzes Continuatus 170.9
τὸν Λογγιβαρδίας ἡγεμονεύοντα . Zonaras 18.17.7
Apulie ducis. William of Tyre bk. 1, 17.27-28
Duke of Apulia, Calabria and Sicily
Apulię et Calabrię et Sicilię dux. Gregory VII, in Caspar VIII, 1a (514.18-19)