Season: 5, Episodes: 2, Faction: French Science Team


Robert was a member of Danielle Rousseau’s science expedition that became shipwrecked on the Island. Robert was Alex’s biological father and was Danielle’s lover.

Fertility (Water)


On the Island (1988)

5×04 – The Little Prince


When the science expedition’s boat crashed on the Island, Robert and his fellow expedition members survived by floating on an octagonal life raft near the coast of the Island, withstanding torrential rain.


They soon discovered an unconscious Jin, a victim of the Kahana explosion and time travel, floating on a piece of flotsam, and rescued him, bringing him ashore. While sorting through the wreckage of their boat, Robert, Danielle, and Montand questioned Jin. (“The Little Prince”)

5×05 – This Place Is Death


Robert and the other members of the team were being led by Jin through the jungle when Nadine went missing, being found moments later mangled by the Monster. The creature attacked Montand and tried to pull him down a hole beneath an unknown ruin, and Robert, Brennan, Lacombe, and Jin tried to hold on to him. The Monster managed to pull Montand in, leaving behind only his arm. Robert, Brennan, and Lacombe were about to enter the hole to search for Montand, who they heard calling for help, when Jin was sent away to a later time.


According to Danielle, he came down with the Sickness. This was later shown to be what Rousseau believed was a “change” caused by the Monster. Robert tried to convince Rousseau that it wasn’t a “monster”, but a security system guarding the Temple.


Rousseau held him at gunpoint until he convinced her that he wouldn’t hurt her. When Rousseau lowered her rifle, Robert raised his and tried to shoot her, only to find she had removed the firing pin from his rifle in secret, at which point she shot him in the head, killing him. (“This Place Is Death”)

1×09 – Solitary


Robert once gave Danielle a music box for their anniversary, which she years later still cherished. (“Solitary”)

Images SourceImage & Source 

Related Character Images


Associated DHARMA Stations


Decoded Family Members & Lovers

Danielle Rousseau (Lover)

Alex Rousseau (Daughter)

Decoded Season 1 & 2 Characters

Jin-Soo Kwon

Sayid Jarrah

Benjamin Linus

Decoded Season 5 Characters





The Man In Black

Dr. Evelyn Ariza

Key Episode(s) to Decoding the Character

5x04 "The Little Prince"

5x05 "This Place Is Death"

Wiki Info

In Greek mythology, Nereus was the eldest son of Pontus (the Sea) and Gaia (the Earth), a Titan who (with Doris) fathered the Nereids, with whom Nereus lived in the Aegean Sea. In the Iliad the Old Man of the Sea is the father of Nereids, though Nereus is not directly named. He was never more manifestly the Old Man of the Sea than when he was described, like Proteus, as a shapeshifter with the power of prophecy, who would aid heroes such as Heracles who managed to catch him even as he changed shapes. Nereus and Proteus (the “first”) seem to be two manifestations of the god of the sea who was supplanted by Poseidon when Zeus overthrew Cronus.

The earliest poet to link Nereus with the labours of Heracles was Pherekydes, according to a scholion on Apollonius of Rhodes.

During the course of the 5th century BC, Nereus was gradually replaced by Triton, who does not appear in Homer, in the imagery of the struggle between Heracles and the sea-god who had to be restrained in order to deliver his information that was employed by the vase-painters, independent of any literary testimony.

In a late appearance, according to a fragmentary papyrus, Alexander the Great paused at the Syrian seashore before the climacteric battle of Issus (333 BC), and resorted to prayers, “calling on Thetis, Nereus and the Nereids, nymphs of the sea, and invoking Poseidon the sea-god, for whom he ordered a four-horse chariot to be cast into the waves.”

Nereus was known for his truthfulness and virtue:

But Pontos, the great sea, was father of truthful Nereus who tells no lies, eldest of his sons. They call him the Old Gentleman because he is trustworthy, and gentle, and never forgetful of what is right, but the thoughts of his mind are mild and righteous

The Attic vase-painters showed the draped torso of Nereus issuing from a long coiling scaly fishlike tail. Bearded Nereus generally wields a staff of authority. He was also shown in scenes depicting the flight of the Nereides as Peleus wrestled their sister Thetis.

In Aelian’s natural history, written in the early third century CE, Nereus was also the father of a watery consort of Aphrodite named Nerites who was transformed into “a shellfish with a spiral shell, small in size but of surpassing beauty.”

Nereus was father to Thetis, one of the Nereids, who in turn was mother to the great Greek hero Achilles, and Amphitrite, who married Poseidon.

Image & Source 

Mythological Family Members & Associated Deities

PONTUS (Father)

GAIA (Mother)

DORIS (Wife)

THETIS (Daughter)

ACHILLES (Grandson)

AMPHITRITE (Granddaughter)

POSEIDON (Grandson-in-law)









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