Glaucus was a son of Hippolochus

Hippolochus

Hippolochus was a Macedonian writer, a student of Theophrastus, who addressed to his fellow-student Lynceus of Samos a description of a wedding feast in Macedon in the early 3rd century BC. The bridegroom was a certain Caranus, probably a relative of the Caranus who had been a companion of...

 and a grandson of Bellerophon

Bellerophon

Bellerophon or Bellerophontes is a hero of Greek mythology. He was "the greatest hero and slayer of monsters, alongside of Cadmus and Perseus, before the days of Heracles", and his greatest feat was killing the Chimera, a monster that Homer depicted with a lion's head, a goat's body, and a...

. He was a captain in the Lycian

Lycian

Lycian may refer to:* Anything related to Lycia* Apollo Lyceus, a type of ancient Greek statuary* Lycian language, the language of Lycia* Lycian script, the writing system of Lycian language* Lycian Way, a footpath in Turkey...

 army under the command of his close friend and cousin Sarpedon

Sarpedon

In Greek mythology, Sarpedon referred to at least three different people.-Son of Zeus and Europa:The first Sarpedon was a son of Zeus and Europa, and brother to Minos and Rhadamanthys. He was raised by the king Asterion and then, banished by Minos, his rival in love for the young Miletus, he...

. The Lycians in the Trojan War

Trojan War

In Greek mythology, the Trojan War was waged against the city of Troy by the Achaeans after Paris of Troy took Helen from her husband Menelaus, the king of Sparta. The war is among the most important events in Greek mythology and was narrated in many works of Greek literature, including the Iliad...

 were allies of Troy

Troy

Troy was a city, both factual and legendary, located in northwest Anatolia in what is now Turkey, southeast of the Dardanelles and beside Mount Ida...

. During the war Glaucus fought valiantly, killing four Greeks.

In the Iliad

Iliad

The Iliad is an epic poem in dactylic hexameters, traditionally attributed to Homer. Set during the Trojan War, the ten-year siege of the city of Troy by a coalition of Greek states, it tells of the battles and events during the weeks of a quarrel between King Agamemnon and the warrior Achilles...

, he met Diomedes

Diomedes

Diomedes or Diomed is a hero in Greek mythology, known for his participation in the Trojan War.He was born to Tydeus and Deipyle and later became King of Argos, succeeding his maternal grandfather, Adrastus. In Homer's Iliad Diomedes is regarded alongside Ajax as one of the best warriors of all...

 in the field of battle in face to face combat. In response to Diomedes' challenge to him, Glaucus said that as a grandson of Bellerophon

Bellerophon

Bellerophon or Bellerophontes is a hero of Greek mythology. He was "the greatest hero and slayer of monsters, alongside of Cadmus and Perseus, before the days of Heracles", and his greatest feat was killing the Chimera, a monster that Homer depicted with a lion's head, a goat's body, and a...

 he would fight anybody. On learning of Glaucus' ancestry Diomedes planted his spear in the ground and told of how his grandfather Oeneus

Oeneus

In Greek mythology, Oeneus, or Oineus was a Calydonian king, son of Porthaon and Euryte, husband of Althaea and father of Deianeira, Meleager, Toxeus, Clymenus, Periphas, Agelaus, Thyreus , Gorge, Eurymede, Mothone, Perimede and Melanippe...

 was a close friend of Bellerophon, and declared that the two of them despite being on opposing sides should continue the friendship. As a sign of friendship Diomedes took off his bronze armor worth 9 oxen and gave it to Glaucus. Glaucus then had his wits taken by Zeus

Zeus

In the ancient Greek religion, Zeus was the "Father of Gods and men" who ruled the Olympians of Mount Olympus as a father ruled the family. He was the god of sky and thunder in Greek mythology. His Roman counterpart is Jupiter and his Etruscan counterpart is Tinia.Zeus was the child of Cronus...

 and gave Diomedes his gold armor said to be worth 100 oxen.

Glaucus was in the division of Sarpedon and Asteropaios

Asteropaios

In the Iliad, Asteropaios was a leader of the Trojan-allied Paeonians along with fellow warrior Pyraechmes. Asteropaios was the son of Pelagon, who was the son of the river god Axios and the mortal woman Periboia, daughter of Akessamenos...

 when the Trojans assaulted the Greek wall. Their division fought valiantly, allowing Hector to break through the wall. During this assault Teucer

Teucer

In Greek mythology Teucer, also Teucrus or Teucris , was the son of King Telamon of Salamis Island and his second wife Hesione, daughter of King Laomedon of Troy. He fought alongside his half-brother, Ajax, in the Trojan War and is the legendary founder of the city Salamis on Cyprus...

 shot Glaucus with an arrow, wounding him and forcing him to withdraw from combat. Later, upon seeing Sarpedon mortally wounded, Glaucus prayed to Apollo

Apollo

Apollo is one of the most important and complex of the Olympian deities in Greek and Roman mythology...

, asking him to help him to rescue the body of his dying friend. Apollo cured his wound, allowing Glaucus to rally the Trojans around the body of Sarpedon until the gods carried the body away. Later in the war, when the fighting over Achilles

Achilles

In Greek mythology, Achilles was a Greek hero of the Trojan War, the central character and the greatest warrior of Homer's Iliad.Plato named Achilles the handsomest of the heroes assembled against Troy....

' corpse took place, Glaucus was killed by Ajax

Ajax (mythology)

Ajax or Aias was a mythological Greek hero, the son of Telamon and Periboea and king of Salamis. He plays an important role in Homer's Iliad and in the Epic Cycle, a series of epic poems about the Trojan War. To distinguish him from Ajax, son of Oileus , he is called "Telamonian Ajax," "Greater...

. His body however, was rescued by Aeneas

Aeneas

Aeneas , in Greco-Roman mythology, was a Trojan hero, the son of the prince Anchises and the goddess Aphrodite. His father was the second cousin of King Priam of Troy, making Aeneas Priam's second cousin, once removed. The journey of Aeneas from Troy , which led to the founding a hamlet south of...

and was then taken by Apollo to Lycia for funeral rites.