Character Relationship Map: Marrowbone

Characters

• Jack Marrowbone (played by George MacKay) — protagonist

  The eldest son who assumes guardianship after his mother's death. After discovering his father murdered his siblings, he develops multiple personalities to cope with the trauma and maintains the illus...

• Allie (played by Anya Taylor-Joy) — protagonist

  A library employee and local girl who befriends Jack. She investigates the family's dark secrets, discovers the murdered siblings in the attic, and is rescued by Jack's alternate personality. She late...

• Billy Marrowbone (played by Charlie Heaton) — supporting

  One of the Fairbairn siblings who appears to Jack as a coping mechanism. In reality, the actual Billy was murdered by their father, and Jack created this personality to maintain the illusion of his si...

• Jane Marrowbone (played by Mia Goth) — supporting

  Another sibling whose existence is maintained as a multiple personality by Jack after their real death. In Jack's mind, she believes their father is still alive and pushes to reveal the truth to Allie...

• Sam Marrowbone (played by Matthew Stagg) — supporting

  The youngest sibling who is depicted as a toddler. Like his older siblings, the real Sam was killed by their father, and Jack sustains his personality to preserve the family illusion and distract from...

• Rose Marrowbone, Mother (played by Nicola Harrison) — supporting

  The matriarch who brings her children to the Maine residence. After her death, she leaves a dying wish for Jack to hide her passing and keep the siblings together, setting the initial premise for the...

• Simon Fairbairn, Father (played by Tom Fisher) — supporting

  A psychotic serial killer who broke out of prison to hunt his family. He murdered his children and bricked them in the attic. He terrorizes the remaining characters until he is finally killed by Jack'...

• Tom Porter (played by Kyle Soller) — supporting

  The local lawyer managing the estate who harbors unrequited feelings for Allie. He blackmails Jack for money, discovers the bricked-up attic, and is ultimately attacked and killed by the serial killer...

• Doctor (played by Paul Jesson) — supporting

  The psychiatrist who treats Jack after his release from the psychiatric facility. He recommends strict medication compliance, which Allie deliberately ignores to preserve Jack's fragile psychological...

Canonical Relationships

Family, romantic, and professional connections based on plot evidence.

• Allie → Tom Porter (Romantic Unrequited Suitor) — Tom's romantic pursuit is rejected, though he gives Allie information about the Marrowbone family's past.

  Tom has unrequited feelings for Allie, asks her to come with him to New York, and she rejects his advances.

• Jack Marrowbone → Allie (Romantic Interest) — Their growing intimacy is strained by Jack's concealment and denial; after his hospital release, Allie chooses to care for him.

  Jack courts Allie after befriending her, and Allie later investigates the family's history and tries to reach him at the house.

• Simon Fairbairn, Father → Rose Marrowbone, Mother (Family Estranged Spouses) — Rose's move with the children separates them from Simon, whose return brings lethal danger to the family.

  The plot identifies Rose as the children's mother and Simon as their father, and says Rose brings the children away from England to Maine.

• Simon Fairbairn, Father → Sam Marrowbone (Family Father And Son) — Simon kills his youngest child, whose imagined personality remains part of Jack's denial.

  The plot identifies Sam as Simon's child and says Simon murdered the children; Sam's corpse is found in the attic.

• Simon Fairbairn, Father → Jane Marrowbone (Family Abusive Father And Daughter) — Simon abuses and kills Jane, whose imagined presence later pushes Jack to reveal the truth.

  The plot says Simon abused Jane and later murdered the children; Jane's desiccated corpse is found in the attic.

• Simon Fairbairn, Father → Billy Marrowbone (Family Father And Son) — Simon kills Billy, whose apparent later presence is a personality Jack creates to cope with the loss.

  Billy is one of Simon's children, and the plot states that Simon murdered the children and that Billy's corpse was found in the attic.

• Simon Fairbairn, Father → Jack Marrowbone (Family Abusive Father And Son) — Their relationship turns from Simon's abuse and violence into a final confrontation in which Jack kills him.

  Simon is identified as the children's father. He attacks Jack at the secluded place, and Jack ultimately shoots him to protect Allie.

• Jane Marrowbone → Sam Marrowbone (Family Sister And Brother) — Their family relationship is central to the traumatic history later revealed about Simon.

  Jane and Sam are both identified as Rose's children and as siblings living at the Marrowbone residence.

• Billy Marrowbone → Sam Marrowbone (Family Brothers) — Their sibling bond belongs to the family history that Jack's imagined household preserves.

  Billy and Sam are identified as siblings in the family brought to Maine by Rose.

• Billy Marrowbone → Jane Marrowbone (Family Brother And Sister) — They are siblings whose apparent shared life is later revealed to be maintained by Jack's fractured perception.

  The plot identifies Billy and Jane as two of the Fairbairn siblings who live together at the residence.

Story Dynamics

Alliances, conflicts, and narrative interactions that evolve throughout the story.

• Allie → Doctor (Conflict Rejects Medical Advice) — Allie chooses to preserve Jack's sense that his siblings are alive rather than follow the doctor's advice.

  After Jack is released from the psychiatric hospital, the doctor recommends making sure he takes his medicine, but Allie disregards that recommendatio...

• Allie → Billy Marrowbone (Narrative Calls For Help) — Allie's appeal to Billy's personality precedes Jack's decision to let it take over and confront Simon.

  During Simon's attack in the attic, Allie calls out for Jack's alternate personalities, including Billy, to help her.

• Allie → Simon Fairbairn, Father (Conflict Target Of Attack) — Simon threatens Allie in the attic, prompting Jack to let his Billy personality take over and shoot Simon.

  Allie finds the bodies in the attic and is attacked by Simon while calling for Jack's other personalities to help.

• Simon Fairbairn, Father → Tom Porter (Conflict Killer And Victim) — Tom's search in the attic brings him into Simon's path and ends in a fatal attack.

  Tom tears down the bricked attic entrance, where Simon attacks him; Allie later finds Tom dying from his wounds.

• Tom Porter → Jack Marrowbone (Conflict Blackmailer) — Tom's financial pressure on Jack leads him to the house and the bricked attic, where Simon attacks him.

  Tom believes the siblings have money and blackmails Jack after learning that his new firm expects him to buy into a partnership.

Story Analysis

A family tragedy is concealed by Jack's promise, then revealed through the violent return of Simon and Jack's fractured perception.

Plot Progression

1. A Promise in the Maine House — Rose brings her children to Maine and dies after making Jack promise to keep them together and conceal her death. Six months later, the siblings remain isolated, while Jack courts Allie and hides the...
2. The Attic and the Estate — Tom's demands over the estate push the siblings to forge Rose's signature and use their father's money box. Their fear of the presence in the loft grows as they suspect their father is involved.
3. Secrets Come to Light — Allie learns that Simon was a serial killer who escaped prison, while Tom's financial ambitions turn him against Jack. The siblings' conversations and the diary begin to expose the truth behind the fa...
4. The Family's Hidden Deaths — The diary reveals Simon's return, the siblings' murders, and Jack's creation of alternate personalities to survive his grief. Tom opens the attic, and Allie discovers the bodies as Simon attacks.
5. The Last Confrontation — Jack allows his Billy personality to take over and shoots Simon to save Allie. Later, Allie cares for Jack after his release from the psychiatric hospital, accepting his fragile belief that his siblin...