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Jadzia Dax

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For the mirror universe counterpart, see Jadzia Dax (mirror).

Jadzia Dax, born Jadzia Idaris in the year 2341 on the planet Trill, was a joined female Trill in the 24th century. She had one younger sister, Ziranne. Her father's name was Kela Idaris. (DS9 episode: "You Are Cordially Invited"; DS9 short story: "Reflections"; DS9 novel: Trill: Unjoined)


Early lifeEdit

Jadzia knew from a very young age that she wanted to be joined, and worked all of her life towards that goal. To prove her value, she earned distinctions in exobiology, zoology, astrophysics, and exoarchaeology. (DS9 episode: "Dax"; ST video game: Starship Creator)

Starfleet AcademyEdit

Jadzia studied under Professor Richard Galen while at the Academy. (TNG novel: The Best and the Brightest)

Around this time, Jadzia briefly became engaged to marry a man called Gwyn, her first lover. (DS9 comics: "Hearts of Old", "Rules of Behavior")

Jadzia was eventually joined with the Dax symbiont in early 2367, after the death of the previous host, Curzon. (DS9 episodes: "Emissary", "Facets")

During the time after Jadzia had been rejected from the initiate program, Setheleyis th'Rasdeth counseled her to reapply. (DS9 - Prophecy and Change short story: "The Devil You Know")

Shortly after her joining, Jadzia participated in an archaeological dig on the planet Pandora, where she encountered a powerful object called the Codex. (DS9 - Prophecy and Change short story: "Chiaroscuro")

Dax graduated Starfleet Academy in 2368 in the 98th percentile. (ST video game: Starship Creator)

Deep Space 9Edit


In 2369, Lieutenant Jadzia Dax was transferred to Starbase Deep Space 9, as science officer. Jadzia helped Benjamin Sisko discover the Bajoran wormhole. (DS9 episode & novelization: Emissary)

On stardate 46910.1, the Klaestrons attempted to extradite Jadzia for the murder of Klaestron military leader Ardelon Tandro, a murder which was attributed to Curzon, as they believed that joined Trills were answerable to another host's crimes. When a hearing was later held on Deep Space 9, Sisko represented her, although it was the appearance of Enina Tandro, Tandro's widow, that revealed the truth and exonerated Jadzia and Curzon. (DS9 episode: "Dax")


In early 2370, Jadzia was disguised as a Bajoran Vedek to infiltrate a meeting of the Chamber of Ministers of the Republic of Bajor with Kira Nerys to tell them the Cardassians were supplying the Alliance for Global Unity with weapons. (DS9 episode: "The Siege")


In the summer of 2371, Jadzia helped her friend and fellow Trill Moll Enor when Moll was on trial for endangering her symbiont. (TNG novel: The Best and the Brightest)

At the end of 2371, Jadzia Dax was promoted to Lieutenant Commander. (DS9 episode & novelization: The Way of the Warrior)


In 2372, Jadzia returned to Trill when her sister Ziranne mysteriously turned up in a hospital joined to the Roa symbiont. This led Jadzia to a symbiont black market being run by Verad Kalon, an unjoined Trill who had stolen the Dax symbiont from Jadzia briefly in 2370. With the assistance of the Trill Symbiosis Commission, Jadzia found Verad and ended his operation. (DS9 short story: "Reflections")


At the beginning of the Dominion War, Jadzia commanded the USS Defiant in a dangerous mission to destroy a Dominion sensor array in the Argolis Cluster. (DS9 episode: "Behind the Lines"; DS9 novelization: ...Sacrifice of Angels)

In 2374, she was married to Worf, son of Mogh, and inducted into the House of Martok. (DS9 episode: "You Are Cordially Invited")

Later that year, Dax was attached to Project Blue Sky, a scientifically orientated war research project conducted in conjunction with the Romulans. Jadzia and Romulan Subcommander T'Rul attempted to create an enzyme that was supposed to alter the genetic profile of the Jem'Hadar, without success. (DS9 short story: "The Devil You Know")

Jadzia was murdered in late 2374 by Skrain Dukat, with the assistance of a Pah-wraith. The Dax symbiont survived and was eventually rejoined with Ezri Tigan. Jadzia Idaris's body was returned to Trill and buried in Manev cemetery. (DS9 episode: "Tears of the Prophets"; DS9 novel: Trill: Unjoined)

Hobbies and interestsEdit

Jadzia was a skilled Tongo player and won considerable amounts of money playing the game at Quark's. Unfortunately she was a less skilled wrestler and lost most of that money wrestling with Benjamin Sisko on weekends. (DS9 novel: Avatar)

Alternate timelinesEdit

Alternate Jadzia

Jadzia in 2422 in an alternate timeline

In an alternate timeline in which Captain Sisko became trapped in a subspace field in 2372, Jadzia was still alive in 2422. In that year, she assisted Jake Sisko in his failed attempt to rescue his father. She was still close friends with Julian Bashir. (DS9 episode: "The Visitor")

In another alternate timeline created by the USS Defiant being sent back in time to the 22nd century, the ship's crew, including Jadzia, settled on Gaia IV. She and Worf eventually married and had several children. By 2373, they had numerous descendants, including Yedrin Dax, Brota and Lisa. (DS9 episode: "Children of Time")


Starbase Deep Space 9 personnel and residents (original station)
station personnel K. AdabweM. AhzedAleco V.R. AlfonzoAlle T.AmranK. AndrewsT. AneN. AponteAylam E.J. S. BashirBattes A.BileckiJ. BlackmerP. BoudreauxS. BowersJ. BroomeCardokCarltonS. CarsonCenn D.J. ChaoChavezH. CollinsF. CortezCostelloCryanG. DavisE. DaxJ. DaxDevroS. DouglasM. EddingtonEddonEtana K.Evik N.A. FontanaGaysd T.Girani S.GoodmanGordimerGreskrendtregkGueretteHageHava R.T. JastJataq'qatS. JonssonKaboKahrimanisKellyKira N.V. KnezoJ. KurlandKurnT. KwiatkowskiS. ch'LarnC. LingP. MatthiasMcCormickMcEwianK. MerimarkMonyodinT. MooreMoruI. MuckerheideMunsonJ. Si NaranNedani I.Reoh N.NguyenNogM.E. O'BrienOccinoOdoD. ParksPertweeH. PetersenPhongsitG. PrimminRedacCh'RellanK. RichterRo L.RomG. RonessSangerSarish M.A. SelznerJ. SenkowskiSetrin Y.R. th'ShantShul T.Shula S.SimakB.L. SiskoZ. SlaineJ. SmithN. SthiliW. StinsonM. StrangStrekS. TaranS. TarsesA. TaverasDarl TavrosTelnorriP. TenmeiTerekT. ch'ThaneTollandM. TomsonT'PeynTrulliE. Vaughnzh'VeskVu K.Wasa G.Wayeh S.D. WilkensWorfWoros K.D. YarrowYevlin M. Ufp-emblem BajoranEmblem Starfleet Command logo DS9 insignia
station residents AluuraAhrmant WyossLysia ArlinAriosBarys KavarBetenn BrucenBetenn CatrinBetenn KrystalBokatBrocBroikBylaCadaraChalan AroyaChon SibiasChramConpapDrakVic FontaineFreylaFroolElim GarakGrimpEnrak GrofHadronHatram NabirHetikJas-qalJhakkaKagaKalawLeetaLondar ParvaMaikiMardahMirehMo'NekeMornM'PellaKeiko O'BrienKirayoshi O'BrienMolly O'BrienQuarkRasmus SelinRhitSardaS'taassNicolas SardopolousShul AbaJake SiskoT'AraTaran'atarJ. TharenTigart HeddaTir RemaraTora ZiyalTreirVisshKasidy Yates
Starbase Deep Space 9 personnel and residents (second station)
station personnel Aleco VelErnak gov AnsargJulian BashirBecerraVentor BixxJefferson BlackmerPascal BoudreauxJohn CandlewoodCardokCenn DescaHamish CollinsJan CollinsBeverly CrusherAmélie d'ArnaudVendora deGromOlivia DellasantGregory DesjardinsEtana KolSarina DouglasHava RemahtBarry HerriotEdgardo JuarezValeska KnezoShanradeskel ch'LarnPhillipa MatthiasKaitlin MerimarkNogMiles O'BrienDelinia PhloxSherman RavidKrissten RichterRo LarenNyyl SaygurShul ToremZivan SlaineWheeler StinsonZhang SuyinPrynn TenmeiT'LuneValinarRen Kalanent VissPatrycja Walenista
station residents Altek DansBroikDamas HaylFroolGrimpKala MorioM'PellaOrcamQuarkShmengeZirk
Preceded by:
Dax' Hosts
Succeeded by:
Commanding Officers of the Starships Defiant
Prime reality
Federation Starfleet
USS Defiant (NCC-1764) SerlingBlair USS Defiant (NCC-1764) assignment patch
USS Defiant (NX-74205) (I) SiskoDaxWorfKira Starfleet Command logo
USS Defiant (NX-74205) (II) RossSiskoJastDaxVaughnKiraRoStinson
ISS Defiant (NCC-1764) ArcherSatoMayweatherRobinson TerranEmpire
Defiant SiskoO'BrienLeetaDax Terran symbol








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