Lursa

Lursa was the elder of the two Duras sisters who were responsible for the beginning of the Klingon Civil War in 2367. She was the mastermind behind her family's fight to head the Klingon Empire. With the assistance of the Romulans, Lursa and her sister B'Etor plotted to install Toral, the illegitimate son of Duras, on the throne of the Klingon High Council. She attempted to persuade Jean-Luc Picard, who was the Arbiter of Succession, to rule in favor of Toral. When Picard supported Gowron, she and her sister took up arms against Gowron. Their attempt was defeated when the Federation blockaded delivery of supplies from the Romulans. When the Romulan involvement was exposed, Lursa's support evaporated. 

The Duras sisters were also responsible for selling bilitrium to Bajoran Kohn-Ma terrorists in 2369. This plot was revealed through investigation by Elim Garak and Julian Bashir. They did this in order to obtain capital to rebuild their forces. Another capital-raising scheme had them seizing a Pakled magnesite mine on Kalla III, overseen by the Dopterian Gorta, and selling its explosive ore to a Yridian, Yog. In 2370, they were also falsely accused of plotting to kill Worf and his son. During that same year, her sister was pregnant with her first child. 

In 2371, the sisters worked with El-Aurian scientist Tolian Soran and raided a Romulan outpost to acquire trilithium in exchange for Soran's trilithium weapon. Lursa died above Veridian III when her Bird-of-Prey was destroyed by the USS Enterprise (NCC-1701-D). 

Appearances

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Background information
Lursa was played by Canadian actress Barbara March.

Lursa appeared on several trading cards, book marks, posters, and standups for display. In 1994 there was also an action figure of Lursa from the movie, released by Playmates Toys. 

Walsh's costume from the episode "Past Prologue" was later worn by actress Peggy Jo Jacobs in the Star Trek: Voyager episode and was sold off at the Christie's auction in New York. Barbara March was interviewed by Ian Spelling for the Star Trek Generations - Official Movie Souvenir Magazine for the article "Barbara March & Gwynyth Walsh: Lursa and B'Etor", p. 72 in and for the Star Trek Communicator, issue 104,, article "The Klingon Way: Lursa", p. 51-52.

Apocrypha
In Star Trek Online, Lursa's child is a son, named Ja'rod after his grandfather. He was raised by the House of Torg following the deaths of his mother and aunt in battle with the Enterprise-D, and became head of the House of Duras upon reaching his Age of Ascension. Ja'rod rose to the rank of Captain in the Klingon Defense Forces, and took command of the IKS Kang after slaying his captain for not investigating the Undine infiltration in the 2390s.