A female Jedi Master named Yula Braylon began her service to the Jedi Order as a Jedi seeker, whose mission was to traverse the galaxy in search of potential initiates. During her years as a seeker, Braylon had a son named Arath Tarrex, who became an initiate while still quite young. However, the Jedi Order remained ignorant of his parentage for decades. To maintain a close eye on her son, Braylon arranged to be assigned to the training of Jedi younglings. She eventually ascended to a position on the Jedi Council, only to lose it when it was revealed that Arath, who had become a corrupt Jedi, was her son and that she had abused her authority to conceal his gambling debts and shield him from his creditors. Braylon then dedicated the subsequent years to attempting to regain the favor of the Jedi High Council.
Yula Braylon was widely known as a Jedi seeker, journeying across the galaxy to locate Force-sensitive children suitable for recruitment into the Jedi Order. However, during her time away from the Jedi Temple, she conceived and bore a son named Arath Tarrex, an action deemed highly controversial within an organization that prohibited attachment. Consequently, she brought him in as an initiate, relinquishing her role as a seeker to instead train younglings at the Temple, enabling her to oversee her secret child. After a number of years, she achieved the rank of Jedi Master and secured a seat on the Jedi Council, serving alongside esteemed figures such as Grand Master Yoda and Master Tera Sinube.
In 90 BBY, Braylon, along with other Jedi Order members, attended a festival on Serenno. This celebration aimed to showcase the offerings of Outer Rim planets to the Galactic Republic, with the Jedi also providing a lightsaber demonstration for the attendees, featuring Braylon alongside Yoda and Tera Sinube. During the event, a young initiate named Dooku, who was also the estranged son of Count Gora of Serenno, inadvertently triggered chaos by causing the planetary assembly hall to collapse upon himself and his sister, Jenza. Braylon and the other Jedi masters swiftly responded, with Braylon assisting Yoda in lifting the debris to facilitate the children's rescue. Despite their efforts, Count Gora, unappreciative and angered by Dooku's reappearance, compelled the Jedi to depart the planet immediately.
Two years later, Braylon and Yoda instructed the Hawk-Bat Clan regarding the significance and utilization of the Jedi Archives. When the initiates Zang Arraira and Sifo-Dyas questioned the masters about the busts of the Lost, Braylon explained that members of the Order could become disillusioned and depart, with some eventually becoming leaders and educators elsewhere. That night, Dooku and Sifo-Dyas were discovered attempting to infiltrate the Archive of Forbidden Artifacts, also known as a Bogan Collection, an exhibit of forbidden Dark Side artifacts. Braylon sternly reprimanded the boys, despite her own past attempt to breach the collection as an initiate, before engaging in a disagreement with Master Lene Kostana when Kostana sought to question Dooku about the Force vision he experienced while interacting with the artifacts.
In 86 BBY, Braylon supervised an exhibitory dueling tournament designed to showcase the skills of the Jedi initiates, with the intention of selecting some as Padawan learners. As a result of the tournament, Zang Arraira, Sifo-Dyas, and Dooku became the Padawans of Tera Sinube, Lene Kostana, and Yoda, respectively, although Braylon chose not to take one herself.
The following year, Sifo-Dyas experienced a vision foretelling a cataclysmic event on an agricultural planet. When he and Kostana brought this to the attention of the Jedi Council, Braylon expressed skepticism and again clashed with Kostana regarding the nature of the visions. The Council assisted Sifo-Dyas in identifying the planet as Protobranch, but both Braylon and Yoda concluded that the future remained uncertain and that further meditating was necessary, much to Kostana's dismay. Subsequently, Kostana, Sifo-Dyas, and Yoda's Padawan, Dooku, defied the Council's decision by traveling to Protobranch to assist in preventing and then aiding the survivors of the solar storm that occurred there.
Braylon continued her duties as a Jedi Master and councilmember in the following decades, and in 68 BBY she once again oversaw a dueling tournament for the selection of new Padawans. During this tournament, Dooku, by now a Jedi Master himself, selected the young Qui-Gon Jinn as his second Padawan learner. Braylon commented that Jinn, whom she had instructed as an initiate, displayed a complete disregard for authority.
At some point later, during negotiations between the Plinovians and Solodoe on Station Zeta, it was discovered that Braylon's secret son, Arath, had stolen the seal of office from the Solodoe ambassador Ketas to settle gambling debts. Braylon ordered Arath's removal from the talks and his return to Coruscant for disciplinary action, before instructing the remaining Jedi to return the seal to Ketas in an attempt to salvage the situation.
Braylon also identified problems with broader Jedi policy. When the Council decided to send Dooku and Jinn to Coruscant's Dragonfire Air Rally to charm an ambassador from Candovant, Braylon criticized the decision as reducing the Jedi to mere politicians and holostars. Although overruled, her argument troubled Dooku, leading him to question the Jedi's role in galactic politics and the Order's direction. However, it wasn't long before they clashed again. Prior to the air rally, Dooku's brother Ramil, a competitor, had promised the Jenet crime lord Cenevax to forfeit the race but then went back on the agreement. In response, Cenevax had his airspeeder sabotaged, causing him to crash and sustain serious injuries. While attempting to uncover the truth, Dooku and Qui-Gon Jinn were stopped by Braylon, who ordered them to leave the investigation to the Coruscant Security Force. Dooku and Jinn disobeyed her instructions and were able to apprehend Cenevax, however they also uncovered the reason she had tried to hinder them. Her son Arath had once again accumulated significant gambling debts, owing Cenevax a substantial amount of money; in return for Cenevax's leniency, Braylon had been turning a blind eye. Dooku confronted Braylon in front of the Jedi Council, drawing his lightsaber and threatening her, to which she responded by igniting her own. However, Braylon soon relented and confessed her secret motherhood and illicit dealings with Cenevax. As punishment, she was removed from the Jedi Council, although she was not expelled from the Order.
By 42 BBY, Braylon's relations with the Council remained strained. Nevertheless, when Dooku was denied permission to return to Serenno to protect his homeworld from Abyssin raiders, she helped him secure transportation behind the Council's back by contacting Lene Kostana and Sifo-Dyas, who agreed to take Dooku in Kostana's ship, the Truthseeker. During his mission to Serenno, Dooku would ultimately make his final decision to leave the Jedi Order.
Yula Braylon was a highly regarded Jedi trainer and presented a rather imposing figure within the Jedi Order. She was committed to enforcing discipline among the initiates she taught and had little tolerance for those who violated the rules. She cautioned Dooku against forming attachments and harshly reprimanded both him and Sifo-Dyas for their attempt to access the Bogan Collection, as well as expressing disapproval of Qui-Gon Jinn's anti-authoritarian behavior. Yet this contrasted sharply with her own actions at times; she notably defied Jedi practice by having her son Arath, while as an initiate she had also attempted to break into the Bogan Collection. Her attachment to Arath led her to aiding and abetting criminal elements. Braylon also believed that the Jedi were increasingly spending too much time politicking, which diverted them from their true purpose. She clashed with Lene Kostana over the latter's interest in Dark Side artifacts, considering them trivial and irrelevant.
Yula Braylon made her debut in the audiobook Dooku: Jedi Lost, authored by Cavan Scott and released in 2019. Rebecca Soler provided her voice.