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Jesse Blackthorn

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Jesse Blackthorn
CJ Flowers, Jesse
Biographical Information
Full name:

Jesse Blackthorn

Born: 1879
Status: Unknown
Died: 1895



Rupert Blackthorn † (father)
Tatiana Lightwood (mother)
Grace Blackthorn (adoptive sister)
Gideon Lightwood (uncle)
Barbara Lightwood (cousin)
Eugenia Lightwood (cousin)
Thomas Lightwood (cousin)
Gabriel Lightwood (uncle)
Anna Lightwood (cousin)
Christopher Lightwood (cousin)
Alexander Lightwood (cousin)
Blackthorn family
(According to a family tree):
Lucie Herondale (wife)
Unnamed children

Physical Description
Gender: Male
Hair color: Black
Eye color: Green

Jesse Blackthorn is the son of Tatiana and Rupert Blackthorn. He was born months after his father's death and never got the chance to know him.


Jesse grew to be a weak and sickly child, incapable of being trained to be a warrior, to the point where his mother even begged to not have him marked with runes when he was a child, though he survived this painfully. When he was sixteen, Tatiana was finally told that he could no longer live and soon succumbed to his illness.[1]

Even nine years after his death, his lonely mother has yet to move on from his death. She called for Magnus Bane in hopes of resurrecting Jesse, a job Magnus refused to do.




  • In The Midnight Heir, Jesse apparently died when he was 16 due to sickness. It is implied that his mother is planning to use dark magic and sacrifice five Shadowhunters to revive him, which would explain why the "found" family tree states that Jesse died at the age of 59.
    • The mystery of Jesse's state occupies the writers' mind of Lucie Herondale.[2]
    • According to the found family tree, Jesse would apparently go on to marry Lucie and had children with her.
    • This mystery is expected to be explored in The Last Hours, as he is also set to be a main character in the upcoming trilogy.[3]


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