Diomedes

Diomedes, king of Thrace; fed his horses with human flesh, and was killed by Hercules for his inhumanity.

Definition taken from The Nuttall Encyclopædia, edited by the Reverend James Wood (1907)

Diomedes * Dion Cassius
Dinmont, Dandie
Dinocrates
Diocletian
Diodati
Diodorus Siculus
Diogenes Laërtius
Diogenes of Apollonia
Diogenes the Cynic
Diogenes the Stoic
Diomedes
Diomedes
Dion Cassius
Dion Chrysostomus
Dion of Syracuse
Dione
Dionysius the Elder
Dionysius the Younger
Dionysius of Alexandria
Dionysius, St., the Areopagite
Dionysius of Halicarnassus
Dionysius Periegetes