In Greek mythology

Greek mythology

Greek mythology is the body of myths and legends belonging to the ancient Greeks, concerning their gods and heroes, the nature of the world, and the origins and significance of their own cult and ritual practices. They were a part of religion in ancient Greece...

, Thaumas (Θαῦμας; gen.: Θαύμαντος) (English translation

English language

English is a West Germanic language that arose in the Anglo-Saxon kingdoms of England and spread into what was to become south-east Scotland under the influence of the Anglian medieval kingdom of Northumbria...

: "wonder") was a sea god

God

God is the English name given to a singular being in theistic and deistic religions who is either the sole deity in monotheism, or a single deity in polytheism....

, son of Pontus

Pontus

Pontus or Pontos is a historical Greek designation for a region on the southern coast of the Black Sea, located in modern-day northeastern Turkey. The name was applied to the coastal region in antiquity by the Greeks who colonized the area, and derived from the Greek name of the Black Sea: Πόντος...

 and Gaia

Gaia (mythology)

Gaia was the primordial Earth-goddess in ancient Greek religion. Gaia was the great mother of all: the heavenly gods and Titans were descended from her union with Uranus , the sea-gods from her union with Pontus , the Giants from her mating with Tartarus and mortal creatures were sprung or born...

. He married an Oceanid

Oceanid

In Greek mythology and, later, Roman mythology, the Oceanids were the three thousand daughters of the Titans Oceanus and Tethys. Each was the patroness of a particular spring, river, sea, lake, pond, pasture, flower or cloud...

, Electra

Oceanid

In Greek mythology and, later, Roman mythology, the Oceanids were the three thousand daughters of the Titans Oceanus and Tethys. Each was the patroness of a particular spring, river, sea, lake, pond, pasture, flower or cloud...

 (or Ozomene). The children of Thaumas and Electra were the Harpies and Iris

Iris (mythology)

In Greek mythology, Iris is the personification of the rainbow and messenger of the gods. As the sun unites Earth and heaven, Iris links the gods to humanity...

, the goddess of rainbows and a messenger of the gods; according to some, also Arke

Arke (mythology)

In Greek mythology, Arke or Arce was a daughter of Thaumas and sister of Iris. She is sometimes affiliated with the faded second rainbow. She is said to have more of an iridescent wings, compared to Iris's golden wings. During the Titanomachy, she betrayed the Olympian gods and joined the Titans...

.

Thaumas was also the name of a centaur

Centaur

In Greek mythology, a centaur or hippocentaur is a member of a composite race of creatures, part human and part horse...

. Yet Neptune overthrew him and became the new sea god.