Arcturus Black III | Sirius Black's Grandfather FanFiction

The Eagle Queen

The Eagle Queen

G
Updated
13.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black, Sirius Black, Regulus Black & Sirius Black, Walburga Black, Orion Black, Arcturus Black III | Sirius Black's Grandfather, Regulus Black & Sirius Black & Original Female Character(s)
Tags
Bad Parent Walburga Black Black Family Drama (Harry Potter) Abusive Walburga Black Bad Parent Orion Black Black Family-centric (Harry Potter) Abusive Black Family (Harry Potter) Abusive Orion Black Orion Black Bashing Walburga Black Being an Asshole Magical Theory (Harry Potter)
Sirius has an older sister that doesn't have an immune system, this changes quite a few thingsNo story yet, just a list with an idea for an story, might make it an actual story
House Of Black

House Of Black

F/M
M/M
G
Updated
13.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black, Original Female Character(s), Remus Lupin, Sirius Black, Peter Pettigrew, Lily Evans Potter, Minerva McGonagall, Severus Snape, Lucius Malfoy, Narcissa Black Malfoy, Albus Dumbledore, Bellatrix Black Lestrange,
Tags
Magic Marauders Era (Harry Potter) Hogwarts First Wizarding War with Voldemort (Harry Potter) Female Harry Potter Reincarnation Black Family-centric (Harry Potter)
Green eyes close forever, and silver eyes open for the first time.She was the same yet different. A reincarnation, blessed by Death, who is born into a world that is both new and ancient. A world made of wonders and tragedies.She was unexpected, surp...
The Gamer Life of The Girl Who Lived - Part One

The Gamer Life of The Girl Who Lived - Part One

F/F
M/M
Multi
G
Updated
11.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Original Female Character(s), Harry Potter, Sirius Black, Minerva McGonagall, Severus Snape, Draco Malfoy, Ron Weasley, Hermione Granger, Tom Riddle | Voldemort, Fred Weasley, George Weasley, Nymphadora Tonks,
Tags
Alternate Universe - Canon Divergence Alternate Universe Female Harry Potter Slytherin Harry Potter POV Original Female Character Half-Blood Hermione Granger Slytherin Hermione Granger POV Harry Potter Metamorphmagus Harry Potter Gamer Harry Potter Gamer fic Adopted Hermione Granger
At midnight on her 10th birthday, Violet Lily Potter wakes up to being hit in the face with a Diary and with no idea how it got into her locked cupboard. When she opens it to find a stat sheet about herself, she somehow knows her life will never be t...
Starfall

Starfall

F/M
G
Updated
13.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black, Harry Potter, Draco Malfoy, Lucius Malfoy, Nymphadora Tonks, Narcissa Black Malfoy, Luna Lovegood, Andromeda Black Tonks, Lucius Malfoy/Narcissa Black Malfoy, Pandora Lovegood, Pandora Lovegood/Xenophilius Lovegood, Arcturus Black III | Sirius Black's Grandfather,
Tags
Drowning Albus Dumbledore Bashing Regulus Black Lives Pandora Lovegood and Evan Rosier are Twins Book 1: Harry Potter and the Philosopher's Stone Animagus Regulus Black The Noble and Most Ancient House of Black Pandora Lovegood is a Rosier
Regulus dragged his hand into the water, splashing it up to his face, but before he could do anything else, a white, slimy hand reached out of the water and clamped itself around his wrist, dragging him forward.More hands joined, so many hands, clawi...
Snapping the Strings

Snapping the Strings

Gen
G
Updated
13.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Harry Potter, Other Character Tags to Be Added, Remus Lupin, Sirius Black, Mary Macdonald (Harry Potter), Luna Lovegood, Andromeda Black Tonks, Theodore Nott, Arcturus Black III | Sirius Black's Grandfather, Dorea Black Potter, Sirius Black/Remus Lupin/James Potter/Lily Evans Potter
Tags
BAMF Harry Potter Crack Treated Seriously Seer Luna Lovegood Seer Harry Potter Metamorphmagus Harry Potter Self-Insert as Harry Potter AFAB Harry Potter
At the age of seven she remembers her past life.
Thoughts and Considerations about the Wizarding World

Thoughts and Considerations about the Wizarding World

G
Updated
13.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black, Harry Potter, Remus Lupin, Sirius Black, James Potter, Peter Pettigrew, Lily Evans Potter, Narcissa Black Malfoy, Bellatrix Black Lestrange, Walburga Black, Orion Black, Marauders (Harry Potter),
Tags
Alternate Universe - Canon Divergence Other Additional Tags to Be Added Headcanon First Wizarding War with Voldemort (Harry Potter) Pre-First Wizarding War with Voldemort (Harry Potter) Character Analysis Victorian Attitudes War with Grindelwald Tudor Era British Politics
When I reconnected with the Harry Potter saga, many questions arose in my head. Why is there economic inequality? Why do wizards celebrate Christmas? Were there members of the British royalty who were wizards? How does the government work, apart from...
twinkle twinkle little star (rewrite)

twinkle twinkle little star (rewrite)

G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black, Original Female Character(s), Original Male Character(s), Remus Lupin, Sirius Black, James Potter, Lily Evans Potter, Minerva McGonagall, Regulus Black & Sirius Black, Barty Crouch Jr., Walburga Black, Poppy Pomfrey,
Tags
Angst Nightmares Child Abuse Wetting Age Regression/De-Aging Regulus Black and Sirius Black Angst Regulus Black Needs a Hug Non-Sexual Age Play Bed-Wetting Protective Sirius Black Abusive Walburga Black Diapers
Things in the Black Family have never been the same since the death of Orion Black, Father to both Sirius and Regulus Black. Abuse, gaslighting and emotional manipulation from their only remaining parent causes both brothers to drift apart. Tensions...
"No Answer"

"No Answer"

G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Harry Potter, Ron Weasley, Hermione Granger, Ginny Weasley, Molly Weasley, George Weasley, Arcturus Black III | Sirius Black's Grandfather, Death (Harry Potter)
Tags
Time Travel Slow To Update Albus Dumbledore Bashing Ron Weasley Bashing Ginny Weasley Bashing Time Travel Fix-It Manipulative Albus Dumbledore Molly Weasley Bashing Master of Death Harry Potter Very OOC Manipulative Brian(aka Dumbodoor) made up spells
Death has been around Harry since the beginning, whether that has been in the form of the people dying in the wars or the passing of his friends and family. It has always been around.
Again to the Light by The Windowsill

Again to the Light by The Windowsill

F/M
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Original Female Character(s), Abraxas Malfoy, Orion Black, Alphard Black, Druella Rosier Black, Black Family (Harry Potter), Arcturus Black III | Sirius Black's Grandfather, Lucretia Black Prewett, Cassiopeia Black, Dorea Black Potter, Original Squib Characters (Harry Potter), Original Hogwarts Professors,
Tags
Blood and Violence I Wrote This Instead of Sleeping Albus Dumbledore Bashing Dark Magic Young Minerva McGonagall Alternate Universe - No Voldemort Pureblood Culture (Harry Potter) Pureblood Society (Harry Potter) The Noble and Most Ancient House of Black Black Family-centric (Harry Potter) Black Family Madness (Harry Potter) Young Tom Riddle
In this universe, the blacks will get another chance.In this universe, maybe they will stick together and maybe they will love each other more than politics.For them, nothing was ever set in concrete. Choices that lead to there downfall, the choices...
Monster in Me

Monster in Me

F/M
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Original Female Character(s), Harry Potter, Sirius Black/Remus Lupin, Remus Lupin, Sirius Black, Minerva McGonagall, Draco Malfoy, Alastor "Mad-Eye" Moody, Fred Weasley, George Weasley, Nymphadora Tonks, Original Potter Family Characters (Harry Potter),
Tags
Dark Magic Reincarnation Seer Luna Lovegood References to Ancient Greek Religion & Lore Possessive Tom Riddle The Noble and Most Ancient House of Black References to Ancient Celtic Religions & Lore References to Norse Religion & Lore Harry Potter is Not the Boy-Who-Lived Harry Potter Has a Sibling Tom Riddle is Bad at Feelings Tom Riddle Needs a Hug
In which a Potterhead girl finds herself waking from death as Harry Potter's older sister and messing the plot up all in the name of protecting her baby brother from Dumblewhore and Moldemort and accidentally falling in love with Tom Riddle's Diary-s...
A Gamer’s Guide to Witchcraft and Wizardry

A Gamer’s Guide to Witchcraft and Wizardry

F/M
Gen
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black, Original Male Character(s), Sirius Black, Narcissa Black Malfoy, Andromeda Black Tonks, Bellatrix Black Lestrange, Walburga Black, Orion Black, Black Family (Harry Potter), Arcturus Black III | Sirius Black's Grandfather, Antares Black (OC)
Tags
Slow Burn Magic Character Study OC SI Slice of Life Marauders Era (Harry Potter) Reincarnation Isekai and Transmigration POV Outsider Video Game Mechanics Black Family-centric (Harry Potter) System
Some people are born to change the world; Antares Black was destined to remake it. But the threads of destiny are not so easily rewoven, and in pulling one, he risked unraveling them all. ⦁ Note: Just a heads-up—this story's not super fast-paced or...
Heirs of Legacy

Heirs of Legacy

M/M
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Lucius Malfoy, Abraxas Malfoy, Walburga Black, Orion Black, Arcturus Black III | Sirius Black's Grandfather
Tags
Family Family Fluff Found Family Mpreg | Male Pregnancy Marriage Proposal POV Regulus Black Orion Black Being an Asshole Good Parent Orion Black Marriage Contracts Good Orion Black Protective Orion Black POV Orion Black
In a world of legacy and ambition, Harrison Peverell’s union with Orion Black reshapes two powerful families, forging alliances, rivalries, and a future bound by love, intrigue, and unbreakable bonds.
A Second Chance at Fate

A Second Chance at Fate

Multi
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Harry Potter, Sirius Black/Remus Lupin, Remus Lupin, Sirius Black, James Potter, Mary Macdonald (Harry Potter), Severus Snape, Evan Rosier, Lily Evans, Barty Crouch Jr., Barty Crouch Jr./Evan Rosier, Walburga Black,
Tags
Alternate Universe - Canon Divergence Werewolves Vampires Marauders Era (Harry Potter) Marauders wolfstar Hogwarts Wizarding World (Harry Potter) Department of Mysteries (Harry Potter) Reincarnation Transmigration Rebirth
A 30-year-old woman, overworked and stressed, passes out from exhaustion in front of her computer. She wakes up to find herself in an unfamiliar place, a young child with blonde hair and blue eyes instead of her old Hispanic, brown-skinned, brown-eye...
Josephine Potter 1981 - 1994.

Josephine Potter 1981 - 1994.

G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black, Harry Potter, James Potter/Lily Evans Potter, Sirius Black, Hermione Granger, Bill Weasley, Fred Weasley, George Weasley, Alice Longbottom/Frank Longbottom, Frank Longbottom, Alice Longbottom, Original Potter Family Characters (Harry Potter),
Tags
Horcruxes Severitus | Severus Snape is Harry Potter's Parent Regulus Black Lives Good Fred Weasley & George Weasley Good Regulus Black Evan Rosier Lives Good Barty Crouch Jr. Half-Blood Hermione Granger Sane Bellatrix Black Lestrange Good Bellatrix Black Lestrange Harry Potter is Not a Horcrux Pandora Lovegood Lives
Where James Potter's cousin who is his sister through his mother blood adopting her and his aunt blood adopting him is the Heir of the Potter family who just so happened to be with Pandora Lovegood on the 31st of October 1981 and goes on to raise Har...
The Prodigal Children

The Prodigal Children

G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Remus Lupin, Sirius Black, Mary Macdonald (Harry Potter), Lucius Malfoy, Nymphadora Tonks, Narcissa Black Malfoy, Andromeda Black Tonks, Lucius Malfoy/Narcissa Black Malfoy, Walburga Black, Alphard Black, Cygnus Black III | Walburga Black's Brother, Andromeda Black Tonks/Ted Tonks,
Sirius is in jail. Something doesn't sit right in Andromeda and Alphard's mind. Sirius, the same kid who would throw a fit at the table when hearing the word "mudblood" is in jail for killing 12 muggles, and for betraying James Potter. Yeah, no, Alph...
Game for the crown

Game for the crown

F/M
M/M
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black, Harry Potter, Remus Lupin, Sirius Black, James Potter, Lily Evans Potter, Minerva McGonagall, Dorcas Meadowes, Draco Malfoy, Tom Riddle | Voldemort, Blaise Zabini, Evan Rosier,
Tags
Not Canon Compliant Character Death Other Additional Tags to Be Added Fluff and Smut Mpreg Sex Possessive Tom Riddle Virginity Gryffindor Harry Potter Original Characters - Freeform Parselmouth Harry Potter Harry Potter is the Heir to the House of Potter
Hadrian Potter-Black, Heir to two powerful, ancient and Noble houses, enters the Harem of the most powerful man in the world The Emperor Thomas Slytherin. Amongst countless concubines vying for the Emperor’s favor, Hadrian stands out- not just for hi...
The Emancipation of Hadrian Jameson Arcturus Potter-Black

The Emancipation of Hadrian Jameson Arcturus Potter-Black

F/M
M/M
Multi
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Harry Potter, Sirius Black/Remus Lupin, Remus Lupin, Sirius Black, Minerva McGonagall, Severus Snape, Bill Weasley, Fred Weasley, George Weasley, Nymphadora Tonks, Narcissa Black Malfoy, Albus Dumbledore,
Tags
BAMF Harry Potter Albus Dumbledore Bashing Ron Weasley Bashing Sirius Black Lives Ginny Weasley Bashing Parselmouths & Parseltongue (Harry Potter) Draco Malfoy & Harry Potter Friendship Sirius Black Free from Azkaban Harry Potter is Lord of Multiple Noble Houses Bisexual Harry Potter Smart Harry Potter Harry Potter is a Little Shit
Harry Potter feels his magic change after his name came out of the Goblet of Fire. He doesn’t know what it means but he won’t have to wait long to find out. He realizes that he has been kept in the dark and was stolen from. Now that is going to chang...
Coffee and Chords

Coffee and Chords

F/F
M/M
G
Updated
11.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black/James Potter, Regulus Black, Sirius Black/Remus Lupin, Remus Lupin, Sirius Black, James Potter, Lily Evans Potter, Marlene McKinnon, Minerva McGonagall, Dorcas Meadowes, Marlene McKinnon/Dorcas Meadowes, Euphemia Potter,
Tags
Fluff Angst Tooth-Rotting Fluff Romance Alternate Universe POV Multiple Alternate Universe - Rock Band Marauders Era (Harry Potter) wolfstar Marauders Friendship (Harry Potter) Everyone Is Gay dorlene
Hey! This is my first fic so I hope you like. It's basically some cute chapters with Jegulus and Wolfstar in a combined coffee shop/band AU! Remus and Regulus are baristas and Sirius and James have their own band (while being head over heels for the...
Revolution

Revolution

M/M
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black/James Potter, Regulus Black, Sirius Black/Remus Lupin, Remus Lupin, Sirius Black, James Potter, Regulus Black & Sirius Black, Evan Rosier, Barty Crouch Jr., Pandora Lovegood, Walburga Black, Orion Black,
Tags
Emotional Manipulation Protective Siblings Torture Psychological Torture Implied/Referenced Child Abuse Emotional/Psychological Abuse Child Abuse Physical Abuse Sexual Abuse Mind Manipulation Verbal Abuse Regulus Black-centric
Arcturus had long been hidden from the dealings of the Blacks, leaving the handlings with his eldest son Orion and his wife. He hid himself away in the mansion of the Patriarch, only to get a missive from his daughter-in-law's sibling popped up out o...
game of war

game of war

F/F
F/M
M/M
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black, Remus Lupin, Sirius Black, James Potter, Peter Pettigrew, Lily Evans Potter, Mary Macdonald (Harry Potter), Marlene McKinnon, Dorcas Meadowes, Narcissa Black Malfoy, Evan Rosier, Andromeda Black Tonks,
sirius black returns to grimmuald after betraying his friends via remus lupin’s furry little problem. while that happens a rosier girl has a premonition, terrified for her star, she goes to her father who in turn goes to his sister, druella black née...