Clan Wren Clan Wren was a Mandalorian family and clan that was part of House Vizsla . Clan Wren was led by Count ess Ursa Wren and consisted of her husband Alrich Wren , their son Tristan , and their daughter Sabine . Clan Wren sided with the Imperial – aligned Clan Saxon until 2 BBY . Clan Wren then led an insurrection against Clan Saxon and the Empire during the Mandalorian civil war . One notable member was Sabine , who joined the rebellion . History . Imperial vassals . During the Clone Wars , Clan Wren aligned itself with Clan Vizsla and the Death Watch , which earned the clan the enmity of Fenn Rau and his Journeyman Protector s . During the Imperial Era , Clan Wren was ruled by Count ess Ursa Wren , who resided on the planet Krownest . Her daughter Sabine was a cadet at the Imperial Academy on Mandalore . During this time , Sabine ' s talents were used by the Galactic Empire , without her consent , to subjugate the Mandalorian s . One of these weapons was the Arc Pulse Generator known as the " Duchess " , which was capable of reacting with the beskar alloy inside Mandalorian armor ; effectively turning priceless heirlooms against their wearers . When Sabine spoke up against the Empire , her family sided with the Empire , branding her a traitor and disowning her . Sabine then fled the Imperial Academy and her home , became a bounty hunter , and eventually joined the Spectres , a rebel cell . To ensure the family ' s loyalty , Governor Gar Saxon imprisoned Ursa ' s husband Alrich Wren as a hostage on Mandalore . Tristan Wren , Sabine ' s brother , served in Saxon ' s elite platoon of Imperial Super Commando s in order to prove his family ' s loyalty to Clan Saxon ( and by extension , the Empire ) and hence retain some of its political influence . Sabine ' s return . After years of hiding from her past , Kanan convinced Sabine in 2 BBY to take up the mantle of the Darksaber , an ancient lightsaber that had been used to unite the Mandalorian clans . After mastering the Darksaber and overcoming her inner fears , Sabine returned to her family home on Krownest . Sabine tried to mend her strained relationship with her mother Ursa while Kanan and Ezra tried to convince Clan Wren to aid the rebellion . In an attempt to save her daughter , Ursa tried to trade Kanan and Ezra with Governor Saxon for her daughter . However , Saxon reneged on the deal and ordered his Imperial Super Commandos to destroy Clan Wren . Tristan chose to stand by his family . Clan Wren then defeated Saxon ' s Super Commandos with the help of the rebels and Rau , who had also joined the rebellion . Sabine defeated Saxon in lightsaber combat but chose to spare his life . Saxon then tried to kill Sabine only to be shot dead by Ursa , who reconciled with her daughter . Saxon ' s death triggered a civil war among the Mandalorian clans . While Ezra and Kanan returned to the rebellion , Sabine and Rau stayed behind to help Clan Wren and its allies fight against Clan Saxon and the Empire . New allies and challenges . By the time of the Battle of Atollon , Clan Wren had lost ground against Clan Saxon and its Imperial backers . Despite these losses , Sabine managed to obtain permission from her mother to take a detachment of Mandalorian volunteers and ships including Tristan and Fenn Rau to break the Imperial Navy blockade of Phoenix Cell ' s Chopper Base . Clan Wren ' s forces managed to destroy an " Interdictor " - class Star Destroyer , allowing the remnants of the Phoenix Squadron to escape to Yavin 4 . As a result , Clan Wren gained the favor of General Hera Syndulla and the Rebel Alliance . In 1 BBY , Clan Wren and members of the Spectres took part in a mission to rescue Alrich from a Imperial prison outpost . The new Imperial Governor Tiber Saxon had ordered Alrich ' s public execution in Sundari . Despite seizing the prison with the help of Bo - Katan Kryze and her warriors , they discovered that the Imperials had already evacuated Saxon . Using information supplied by Ursa , Clan Wren and its rebel and Clan Kryze allies managed to rescue Alrich from an Imperial convoy . However , this victory was overshadowed by news that Governor Saxon had deployed the " Duchess " against Ursa and Tristan ' s forces . Ursa and Tristan survived but most of their forces were wiped out by the " Duchess " , which reacted with their armor and turned their wearers to ash . With the help of Bo - Katan , the surviving Clan Wren members and rebels managed to escape to Bo - Katan ' s camp . Due to her role in creating the " Duchess " , Sabine ' s presence drew hostility from several of Bo - Katan ' s followers . However , Ursa warned that anyone who harmed her daughter would attract the wrath of her clan . To atone for her past actions , Sabine agreed to lead a strike mission to destroy the arc pulse generator and the associated data , which were housed aboard Tiber Saxon ' s Star Destroyer above Sundari . Ursa offered to lead the attack but Rau countered that she could barely hold a blaster due to her injuries . Instead , Tristan accompanied his sister on the strike team . While Tristan and Rau fought with the Imperial defenders in the Star Destroyer ' s hangar , Sabine and Bo - Katan sought out the weapon . Despite being ambushed by Tiber Saxon , Sabine managed to turn the weapon against Saxon ' s stormtrooper s before destroying the weapon and Saxon ' s Star Destroyer . After destroying the weapon , Sabine convinced Bo - Katan to assume ownership of the Darksaber and the mantle of leadership over the Mandalorian clans . Clan Wren then joined the other Mandalorian clans in pledging allegiance to Bo - Katan .