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Supernatural Sister Fics
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Focus: TV Shows Supernatural, Since: 07-05-15
Founder: daaeleira - Stories: 267 - Followers: 0 - id: 120808
This community is for fanfictions about or featuring characters who are the sister of Sam and Dean Winchester. This mainly pertains to OCs, but also includes AUs or crossovers in which a canon character from Supernatural or a different fandom is written as the sister of Sam and Dean.

The Family Business by Willow Lauren G395 reviews
Haunted and Emotionally trapped, after witnessing her brother's death. Elena Winchester continues the Family Buisness, until Dean's mysterious resurrection. Reuniting with her brother's, Sam and Dean. Elena is tormented, when an un-wanted voice speaks to her, haunting her dreams, claiming to be her Guardian. Elena and her brothers, go on a journey to find out who saved Dean. But wh
Supernatural - Rated: T - English - Romance/Family - Chapters: 5 - Words: 15,495 - Reviews: 15 - Favs: 81 - Follows: 106 - Updated: 8/27/2019 - Published: 8/5/2017 - [Castiel, OC] Sam W., Dean W.
Our Guardian Angel by MidnightBlackHeart reviews
The Impala, the two Winchesters, and the road. What would the story be like with their youngest sister? This is the story of Lexi, Sam, and Dean facing their life together. Sister-fic. Read how they protect and love each other. Starts from Season 1. On Hiatus.
Supernatural - Rated: T - English - Supernatural/Family - Chapters: 7 - Words: 84,458 - Reviews: 48 - Favs: 105 - Follows: 111 - Updated: 2/17/2020 - Published: 7/30/2011 - Sam W., Dean W.
Little Rosie by livingblues reviews
Sam and Dean Winchester's little sister Rose has never known anything more than the job. At seventeen years old, hunting has taken over her whole life and she can hardly remember who she was before. Her brothers are worried about her. They want to give her more from life. But knowing the Winchesters, when does anything ever go to plan?
Supernatural - Rated: T - English - Family/Hurt/Comfort - Chapters: 12 - Words: 29,371 - Reviews: 42 - Favs: 70 - Follows: 77 - Updated: 4/23/2016 - Published: 1/6/2016 - Sam W., Dean W., OC
Sink or Swim by GinnyPotterr reviews
SISFIC! Being the youngest of four siblings is hard for anyone, but being the youngest Winchester is even worse. Lily is the younger sister of Dean, Sam, and Adam Winchester. When their father went missing two years ago, the four Winchester siblings were forced to band together to figure out his whereabouts. Now Dean has only a year to live and no one knows how to cope.
Supernatural - Rated: T - English - Family - Chapters: 4 - Words: 54,194 - Reviews: 23 - Favs: 37 - Follows: 43 - Updated: 6/18/2017 - Published: 8/1/2016 - Sam W., Dean W., Adam M., OC
Nightmare To Fight by You'reMySilverBullet reviews
Valissa Winchester, the youngest sibling of Dean and Sam Winchester supernatural hunters, has been plagued by nightmares of a tall man with no face. Her relationship with Derek is tested along with her friendships. While Scott, Stiles, Allison, Derek and Derek's pack try to figure out what's happening to her, the faceless man comes closer to capturing Valissa in a living nightmare
Crossover - Supernatural & Teen Wolf - Rated: T - English - Supernatural/Romance - Chapters: 9 - Words: 13,197 - Reviews: 11 - Favs: 38 - Follows: 34 - Updated: 10/13/2015 - Published: 10/11/2012 - Sam W., Dean W., Scott M., Derek H.
Saving Grace by sweetkiwi604 reviews
Grace Winchester is your typical college student. So, when her older brothers, Dean and Sam, suddenly show up at her dorm talking about a werewolf on the loose and she wakes up to find herself in an unknown place things start to turn upside down. And that's just the beginning. Co-written with the lovely SPNxBookworm.
Supernatural - Rated: T - English - Hurt/Comfort/Angst - Chapters: 3 - Words: 7,741 - Reviews: 27 - Favs: 36 - Follows: 28 - Updated: 12/3/2014 - Published: 2/26/2014 - Sam W., Dean W., OC - Complete
An Addition to the Family by Raggetymanftw reviews
Sam and Dean have discovered that they have a little sister. Within 5 minutes of meeting her, this girl seems to know everything about them. Or is just incredibly observant. Especially when it comes to the oldest Winchester and his angel. This story is part of the Eliza Winchester series. If you enjoyed, drop a little something here on Ko-Fi. Check bio for details
Supernatural - Rated: K - English - Family/Romance - Chapters: 1 - Words: 564 - Reviews: 1 - Favs: 21 - Follows: 15 - Published: 8/13/2015 - [Castiel, Dean W.] Sam W., OC - Complete
Past is Prologue by camlann reviews
Sometimes, the past can be both a blessing and a curse. For John Winchester, a walk down memory lane could prove to be more than he bargained for when he's suddenly faced with the unexpected, in the form of two eight-year-olds.
Supernatural - Rated: T - English - Family/Mystery - Chapters: 53 - Words: 421,435 - Reviews: 670 - Favs: 306 - Follows: 265 - Updated: 9/29/2016 - Published: 1/17/2008 - Complete
Safe and Sound (Sister Winchester) by MeghanWinchester0726
Y/N worries about her boys everytime they go out on a hunt. Having stayed behind this time, she decides that now that she's finally alone, its time to pull out her old guitar and play. But what she doesn't realize is that she has a small audience.
Supernatural - Rated: K - English - Family - Chapters: 1 - Words: 1,948 - Favs: 19 - Follows: 7 - Published: 9/21/2014 - Sam W., Dean W., OC - Complete
Kasey Winchester by archerdix0n reviews
The boys find out they have a sister - only to find out that she's a demon in the same hour. They're conflicted with themselves of whether they should keep her around or send her packing back to Hell.
Supernatural - Rated: T - English - Supernatural/Horror - Chapters: 2 - Words: 6,062 - Reviews: 5 - Favs: 59 - Follows: 52 - Updated: 1/31/2015 - Published: 10/1/2014 - [Gabriel, OC] Sam W., Dean W.
The Third Winchester by Sapphire Serina Riddle reviews
The boys are working with a girl but will they still be around when they find out her secret, she's their half sister. Read and Review!
Supernatural - Rated: T - English - Adventure/Supernatural - Chapters: 6 - Words: 13,116 - Reviews: 17 - Favs: 11 - Follows: 18 - Updated: 10/7/2012 - Published: 11/12/2011 - Dean W., Sam W.
The devil sister by beekeen reviews
Sam and dean have a delinquent 17 year old sister. She isn't satisfied with her life, but deals with it. She is a partier, and a rule breaker. She is hell bent on making Sam and Dean suffer. What happens when she meets a stranger in the dark? Please review, and give me ideas.
Supernatural - Rated: T - English - Supernatural/Adventure - Chapters: 10 - Words: 8,374 - Reviews: 12 - Favs: 23 - Follows: 19 - Updated: 1/1/2015 - Published: 11/23/2014
Dialogue by sammispn226 reviews
The story of how Sam and Dean met their long-lost sister, as told in conversations. Drabbles, written almost exclusively in dialogue. Rated T for language. Gen.
Supernatural - Rated: T - English - Drama - Chapters: 7 - Words: 2,146 - Reviews: 17 - Favs: 8 - Follows: 11 - Updated: 7/29/2009 - Published: 6/17/2009 - Sam W., Dean W.
The Outlaws by JediVulcanSara
Jason Todd and his girlfriend Brooke Winchester a.k.a the sister of Sam and Dean from the show Supernatural, decide to go to Bludhaven for an adventure... What will they find?
Crossover - Supernatural & Robin - Rated: T - English - Romance/Adventure - Chapters: 1 - Words: 1,960 - Favs: 4 - Follows: 3 - Published: 5/6/2012 - Dean W. - Complete
Sage Winchester: Sister of the shadows by vanillamocha reviews
John had a littel secret, what he doesnt relaise is thats some secrets need to be told.
Supernatural - Rated: T - English - Family - Chapters: 1 - Words: 1,678 - Reviews: 7 - Favs: 4 - Follows: 4 - Published: 5/13/2009
Baby Sis by Bamz reviews
Dean and Sam Winchester's little sister was taken away from them when she was twelve, now four years later can the boys find their sister and find out where she has been all these years...
Supernatural - Rated: K+ - English - Hurt/Comfort/Drama - Chapters: 1 - Words: 804 - Reviews: 6 - Favs: 10 - Follows: 12 - Published: 8/13/2011
What happens when Sam & Dean have a sister to take care of them? by VulcanQueen reviews
A one-shot AU where Sam and Dean have an older sister named Lucy who takes care of them while Bobby and John are on a Hunt. Teen!Dean and Teen!Sam with OC
Supernatural - Rated: K - English - Family/Humor - Chapters: 1 - Words: 606 - Reviews: 2 - Favs: 10 - Follows: 3 - Published: 11/22/2013 - Sam W., Dean W., OC - Complete
The Winchester Sister by jvbeall1998 reviews
Brianna was found by the Winchester's several years ago when her parents had been possessed by w she lives with the brothers. She is like a sister to the boys, and then one day something big happens. (Sorry I suck at summaries)
Supernatural - Rated: T - English - Supernatural/Hurt/Comfort - Chapters: 2 - Words: 2,334 - Reviews: 1 - Favs: 6 - Follows: 4 - Updated: 2/16/2014 - Published: 1/30/2014 - Dean W., Sam W., OC
Long, Lost Sister's Pain by Duffster21 reviews
Ok, I know a lot of people have had this idea but this is my stab at it. I've tweaked this story a bit where Dean, Sam know about Meg's being evil. And yes they have a sister. Yes, Dean and Sam are not mine... unfortunately! COMPLETE! Everyone R&R
Supernatural - Rated: T - English - Drama - Chapters: 20 - Words: 27,682 - Reviews: 90 - Favs: 33 - Follows: 19 - Updated: 9/16/2006 - Published: 1/31/2006 - Complete
The Name's Winchester by dlayney reviews
Warning : This is a SISTER FIC. If you don't like them, then this fic isn't for you. I suck at summaries, sorry. I'll think of one later. Anyway, contains angst/drama/fluff/humor and brother/sister relationship NOT INCEST . Follow Season 1 timeline.
Supernatural - Rated: T - English - Hurt/Comfort/Family - Chapters: 2 - Words: 5,383 - Reviews: 13 - Favs: 17 - Follows: 17 - Updated: 7/19/2010 - Published: 7/16/2010 - Dean W., Sam W.
Two Guardian Angels by jamietheresa reviews
Sister fic : What it would be like if John truly was a jerk and if Sam and Dean had a sister. Sucky summary, if you don't like abuse and a mean John Winchester then dont read. Let me know if i should bother going on with this.
Supernatural - Rated: T - English - Hurt/Comfort/Family - Chapters: 6 - Words: 6,073 - Reviews: 27 - Favs: 43 - Follows: 46 - Updated: 6/25/2011 - Published: 4/27/2010 - Sam W., Dean W.
physic family ties by SilentSupernatural reviews
Sam and Dean have two sisters Alessa who is Sam's twin and an older sister named Anna Beth. After Sam leaves for college the four them discover family is the one thing you can't escape
Supernatural - Rated: T - English - Family/Hurt/Comfort - Chapters: 4 - Words: 6,710 - Reviews: 1 - Favs: 5 - Follows: 11 - Updated: 1/11/2012 - Published: 11/6/2011 - Sam W., Dean W.
Lost and Alone by HellPrincess reviews
Jen was a normal girl living a normal life. That was until her family died of supernatural causes after the Winchester boys tried to save them. Now her name is Paige Winchester and she is the boys little sister. Sister fic. Horrible summary.
Supernatural - Rated: T - English - Supernatural - Chapters: 9 - Words: 18,076 - Reviews: 41 - Favs: 31 - Follows: 42 - Updated: 6/3/2009 - Published: 2/8/2008 - Sam W., Dean W.
A Supernatural Story by WinchesterGirl96 reviews
Dean and Sams younger sister has to leave everything behind to save herself and avenge her deceased sister i promise story will be better than summery my first fanfic. kinda between season 5 and 6 mixed stuff up. Dean/Cass and maybe some Sam/Gabriel
Supernatural - Rated: K - English - Romance/Family - Chapters: 1 - Words: 1,342 - Reviews: 1 - Favs: 1 - Follows: 1 - Updated: 1/31/2011 - Published: 1/28/2011
Brotherly Love by Shorty22133 reviews
Sister Fic- Sam and Dean's middle sister, Abby, wanted to follow Sam's footsteps and make a life of her own. She thought she was free of the demons that haunted her…She was wrong. Rated T- **On Temporary Hiatus**
Supernatural - Rated: T - English - Family/Drama - Chapters: 3 - Words: 2,666 - Reviews: 2 - Favs: 9 - Follows: 15 - Updated: 7/23/2013 - Published: 4/13/2012 - Sam W., Dean W.
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