Jenny ( The Doctor ' s Daughter ) Jenny was the daughter of the Tenth Doctor , artificially created from his DNA when it was forcibly sampled by a progenation machine . Biography . Creation . During a short war on the planet Messaline between human s and Hath , both sides used progenation machines to instantly create mentally programmed adults from the DNA of single individuals . When the Tenth Doctor , Donna Noble , and Martha Jones arrived on Messaline , Jenny was made from a skin sample taken from the Doctor , against his will . ( TV : " The Doctor ' s Daughter " ) With the Doctor . The then nameless Jenny pushed a button which triggered an explosion . The tunnel collapsed , cutting the group off from the Hath and Martha . Shortly after , Jenny was named by the Doctor ' s companion Donna Noble from his description of her as a " generated anomaly . " Jenny ' s commander , Cobb , imprisoned the Doctor , Donna , and Jenny . Donna proved to the Doctor that Jenny was indeed his daughter by listening to Jenny ' s heartbeat . Like the Doctor , she had two hearts . However , the Doctor insisted that she was nothing more than an " echo " and that a " real " Time Lord was " so much more . " Jenny helped the others escape by kissing Cline and stealing his pistol . The Doctor found his daughter very capable , though she was inclined towards violence . He later convinced her not to kill Cobb . As the three of them made their way towards the Source , which Cobb and the Hath both sought , Jenny spoke with the Doctor about the possibility of travelling with him , and he told her that he would never leave her . The Doctor told the respective parties to end the war , whereupon General Cobb aimed his gun and shot at him . Jenny jumped in the way of the bullet . She was shot through one of her hearts , and died , but did not regenerate . While lying in state , Jenny ' s body was revived . With her father having left the planet and believing her to be dead , she stole a shuttlecraft and left Messaline . When asked where she was going , she restated Donna ' s earlier description of the Doctor ' s life . " Oh , I ' ve got the whole universe : planets to save , civilisations to rescue , creatures to defeat — and an awful lot of running to do . " She then set off to explore the universe . ( TV : " The Doctor ' s Daughter " ) After Messaline . Jenny tracked her father through multiple incarnations but he didn ' t stay in one place long enough for her to make contact with him . In his eleventh incarnation , she found him on Trenzalore , but she was unable to contact him because of Tasha Lem ' s barriers around the planet . Travelling around in a Bowship , Jenny tracked the progress of a white hole to the planet Sultath , where she encountered Jack Harkness and Tara Mishra . She failed to save them as they were sucked into the anomaly . She flew her Bowship into the white hole , but became trapped . She was saved by the Fifth Doctor in his TARDIS , who in doing so , was sucked in himself . Jenny then travelled to St Luke ' s University , to meet the Twelfth Doctor and tell him what had happened . ( COMIC : " The Lost Dimension " ) At one point in her life , Jenny was captured by Adam Mitchell and trapped with many other companions of her father ' s . Along with the others , she was released by Frobisher . ( COMIC : " The Choice " ) Legacy . Davros tried to manipulate the Doctor when he moved the Earth to the Medusa Cascade by asking the Doctor how many people had died in his name . Jenny was one of the people the Doctor thought of , as he was unaware of her revival . ( TV : " Journey ' s End " ) While trying to convince the Cybermen that she was the Doctor , Clara Oswald noted among his family a non - Gallifrey an daughter created via genetic transfer . ( TV : " Death in Heaven " ) Personality . Jenny showed a lot of the brilliance , lust for life , and the determination of her father . She was also flirtatious . Though programming had made her military - minded and goal - oriented , she was too much like her father for this to dictate her actions . While at first she showed violent intentions towards others , she soon adopted the Doctor ' s values and principles , though she also challenged him . She was delighted at the prospects of travelling in the TARDIS with her father and Donna . After her revival , she seemed very excited about travelling the universe . ( TV : " The Doctor ' s Daughter " ) Inherited characteristics . Being biologically Gallifreyan , Jenny had two hearts , as well as reflexes , precision timing , and acrobatic ability far beyond that of an average human . At first the Doctor flatly denied that she should be considered a Time Lord , because she lacked the shared culture , code , and knowledge . However , as he later admitted to Donna , " when I look at [ Jenny ] now , I can see them . The hole they left , all the pain that filled it . Just don ' t know if I can face that every day . " ( TV : " The Doctor ' s Daughter " ) Other information . The presence of Jenny drew the Doctor ' s TARDIS to Messaline , paradox ically before her creation , so that she , in effect , caused herself to exist . ( TV : " The Doctor ' s Daughter " ) Behind the scenes . Appearance . Jenny ' s actress , Georgia Moffett , was notable " actually " the daughter of one of the Doctors , specifically Peter Davison ( real name Peter Moffett ) . It has since been noted in many stories that clones and copies of the Doctor tend to emerge featuring the appearances of his previous incarnations . ( AUDIO : " The Hexford Invasion " / " Survivors in Space " , COMIC : " Breakfast at Tyranny ' s " ) This would explain why Jenny more closely resembles the Fifth Doctor rather than the Tenth . Companion status . Prior to November 2013 , Jenny was considered a " companion presumptive " . It is clear , once the Doctor accepted her as his daughter , that she would travel with him and Donna . Her " death " ended these plans . In the " Prisoners of Time " comic miniseries released five years after " The Doctor ' s Daughter " , all of the Doctor ' s companions were kidnapped by Adam Mitchell . Jenny was revealed among those kidnapped , marking her inclusion as a companion . In the 2017 comic , " The Lost Dimension " , Jenny joined briefly Bill Potts and Nardole as a companion of the Twelfth Doctor . Resurrection . The reference book " The Time Traveller ' s Almanac " , which is not accepted as a , confirmed that Jenny ' s revival was not due to regeneration but rather the Source , as suggested by visual cues in the episode . Return ? Although " The Sun " , a UK tabloid newspaper , speculated that Georgia Moffett would appear as Jenny in one of the 2009 specials , she did not make an appearance . Steven Moffat is credited with suggesting that Jenny be brought back to life at the end of the episode . This led to rumours that Georgia Moffett was in the running to return as a companion for the Eleventh Doctor . Ultimately , Karen Gillan was cast in this role as Amy Pond . No further appearances of the character have been announced . Moffett did return to the franchise in other roles , providing the voice of an unrelated character named Cassie Rice in the animated serial " Dreamland " , and continuing to do voice work for Big Finish Productions in 2010 . In August 2013 , Steven Moffat said " the door is open " for Jenny to return to the series . Moffett told Doctor Who Magazine in 2015 that she was desperate to return and would be happy to play even a character with a single line , but that it was not likely , as her character had only ever been conceived as a one - off . Additionally , Russell T Davies jokingly told Steven Moffat that Jenny crashed into a moon . The " Prisoners of Time " comic was Jenny ' s first appearance , not including the archival footage , since her appearance in " The Doctor ' s Daughter " . Despite being seen with the captured in " The Choice " , she was for some reason absent after the companions were released in the following issue , " Endgame " . Her appearance in COMIC : " The Lost Dimension " was her first major appearance since her inception .