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Henry LaMontagne

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Minor Character
Henry LaMontagne
Name Henry LaMontagne
Gender Male
Birth Date October 28, 2008
Family Jennifer Jareau (mother)
William LaMontagne, Jr. (father)
Unborn sibling (deceased)
William LaMontagne, Sr. (paternal grandfather; deceased)
Sandy Jareau (maternal grandmother)
Unnamed maternal grandfather (deceased)
Unnamed maternal great-aunt
Rosaline Jareau (maternal aunt; deceased)
Unnamed cousin
Unnamed maternal great-grandparents
Spencer Reid (godfather)
Penelope Garcia (godmother)
Status Alive
Portrayed By Mekhai Andersen
First Appearance Memoriam


Henry LaMontagne is the son of Detective William LaMontagne, Jr. and SSA Jennifer Jareau.

Season ThreeEdit

JJ discovers that she is pregnant in the episode The Crossing with her partner Will's child. This pregnancy leads to her temporarily leaving the BAU on a maternity leave. 

Season FourEdit

Henry was born during Memoriam, and after the team gets to meet him after finishing a case, JJ asks Reid and Garcia to be Henry's godfather and godmother, respectively. In Normal, JJ brings Henry to the BAU headquarters after the team solves a case, and the team takes turns holding him.

In Amplification, after a homegrown terrorist lethally poisons dozens of Annapolis parkgoers with a modified version of anthrax, JJ becomes concerned after learning that a seven-month-old baby was poisoned with anthrax during the Amerithrax attacks and calls Will to tell him to keep himself and Henry safe. The call isn't answered, and this worries JJ further. When the case is concluded, JJ most likely lets go of this fear.

Season FiveEdit

Henry is seen with his parents in a pharmacy in 100 while they're waiting for a prescription to be filled. It is this visit that actually helps bring the team one step closer to concluding the current case.

Season SevenEdit

Henry suffered from a seizure and had at least one hospital visit prior to There's No Place Like Home. He then consequently contracted a fever that became worse, culminating in another hospital visit escorted by Will. This forced JJ to return home, but due to the severe weather conditions, she still had to stay in Kansas. After the case is concluded, JJ calls Henry and tells him a bedtime story.

His role was greatly expanded in the season finale episodes Hit and Run. In the latter episode, Henry is taken hostage by psychopathic serial killer Izzy Rogers, unbeknownst to him, as leverage for Will to assist her and her boyfriend in committing a terrorist attack. He asks her to play a game of hide-and-seek, to which she attempts to scare him by singing "Ring Around the Rosie" in an eerie tone, then telling him a story about her (presumed) grandfather, who allegedly resembles him and shares the same name, but both ploys fail. When Izzy is later distracted, Henry hides in a closet, hoping to play hide-and-seek with her. Izzy then gets into a struggle with JJ, who emerges victorious. By the end of the episode, he witnessed Will propose to JJ with Rossi and attends the wedding, becoming amazed by a magic trick performed to him by Reid.

Season EightEdit

In The Good Earth, Henry didn't want to go trick-or-treating because his friends told him that Halloween was the one time that real monsters were among humans. JJ helped him get over his fear by challenging Henry to identify who were real monsters and who were not. By the end of the episode, Henry dressed up as his favorite profiler, his godfather Reid. He briefly reappeared in The Apprenticeship, attending a bureau softball match with JJ.

In Nanny Dearest, Henry receives a bath from JJ, just before she leaves to investigate a case. Before she leaves, she promises him that she will be back as soon as she can. By the end of the episode, JJ returns home to find Henry already sleeping. As Will approaches her, JJ closes the door to his bedroom, taking one last loving look at him.

Season NineEdit

Henry briefly reappeared in 200, when Will hands him over to CSU Tech Agent Gina Sharp, who takes care of him as the BAU search for JJ, who had gone missing. In that same episode, it was revealed that, in 2011, he was about to have a sibling, but due to an explosion that Tivon Askari intentionally set off, his mother had a miscarriage and the unborn baby died.

Season TenEdit

In If the Shoe Fits, Henry learned about his deceased aunt Rosaline from his grandmother Sandy. He later asked JJ about Rosaline, which enraged her, since she and Will were planning to tell him about Rosaline's suicide when he was older. This led to a fight between her and Sandy. By the end of the episode, however, JJ comes to terms with the tragedy and tells him about the happier times she spent with Rosaline.


  • Mekhai Andersen, the child actor who portrays Henry in 100 and onwards, is actually the real-life son of A.J. Cook, the actress who plays JJ.
  • Henry's birthday was confirmed to be October 28, 2008 (Memoriam).
    • In 200, however, Rossi mistakenly states his birthday as being November 12 while attempting to figure out the four-digit combination code for a briefcase that was found hidden in JJ's office. This was indefinitely a mistake on the writer's part.
  • He seems to enjoy playing soccer with his mother (Hit).
  • His favorite profiler (presumably besides his own mother) is his godfather Spencer Reid (The Good Earth).
  • He likes Spider-Man (Boxed In).


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