Kris Jenner's Mother MJ Campbell Passes Away at 91, Cause Revealed

WHO:

E! News - MJ Campbell was the grandmother to Kris Jenner’s children: Kourtney Kardashian, Kim Kardashian, Khloe Kardashian, Rob Kardashian, Kendall Jenner, and Kylie Jenner.

US Magazine - Nicole Flender, Timothée Chalamet's mom, honored MJ Campbell on her first heavenly birthday since her death.

NY Post - Kris Jenner's mother is Mary Jo Campbell, commonly known as MJ.

WHAT:

E! News - MJ Campbell had ongoing conditions that contributed to her death, including metastatic lung cancer.

E! News - MJ Campbell died on July 16 in the hospital, just 10 days shy of her 92nd birthday.

E! News - Kris Jenner described her mother in a July 16 Instagram post, stating, "There are no words that could ever capture what she has meant to me or the heartbreak of having to say goodbye. My mom was the heart of our family."

TMZ - MJ Campbell's death certificate, obtained by Us Weekly, revealed that her immediate cause of death was acute cardiopulmonary arrest, with contributing factors including acute respiratory failure and metastatic lung issues.

US Magazine - Nicole Flender commented on Kris Jenner's tribute to MJ Campbell on Instagram, stating, "So happy I got to know her."

TMZ - MJ Campbell died of acute cardiopulmonary arrest.

TMZ - The death certificate revealed that the causes of death included acute respiratory failure and metastatic lung issues.

WHEN:

US Magazine - MJ Campbell's death occurred earlier in July.

US Magazine - Nicole Flender honored MJ Campbell on her first heavenly birthday since her death, which was on July 26.

WHY:

TMZ - The cause of death was determined to be acute cardiopulmonary arrest, with contributing factors of acute respiratory failure and metastatic lung conditions.

(UPDATED July 29, 2026 06:50 UTC)

MJ Campbell, the beloved grandmother of Kris Jenner's children, including Kourtney, Kim, Khloe, Rob, Kendall, and Kylie Kardashian, has passed away. E! News reports that her death was attributed to ongoing health conditions, notably metastatic lung cancer. The family is mourning the loss of a matriarch who played a significant role in their lives.

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(UPDATED July 29, 2026 05:51 UTC)

MJ Campbell passed away in the hospital just ten days before her 92nd birthday. Kris Jenner shared a heartfelt tribute on Instagram, expressing that there are no words to capture the significance of her mother and the heartbreak of saying goodbye, calling her the heart of their family. The news was reported by E! News.

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(UPDATED July 28, 2026 23:19 UTC)

MJ Campbell's death certificate, obtained by Us Weekly, shows that her immediate cause of death was acute cardiopulmonary arrest, with contributing factors including acute respiratory failure and metastatic lung issues. The tragic news of her passing was reported to have occurred earlier in July. This information was first shared by TMZ and later confirmed by US Magazine.

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(UPDATED July 28, 2026 20:22 UTC)

Nicole Flender recently honored MJ Campbell on her first heavenly birthday since her passing. The tribute took place at 20:22 UTC, marking a poignant moment for those who knew and loved her. This heartfelt remembrance comes just a couple of days after the anniversary of MJ's death on July 26.

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(UPDATED July 28, 2026 19:28 UTC)

Nicole Flender, the mother of Timothée Chalamet, paid tribute to MJ Campbell on her first heavenly birthday since her passing. In a heartfelt comment on Kris Jenner's Instagram tribute to MJ, Flender expressed her gratitude, saying, "So happy I got to know her." This touching remembrance highlights the impact MJ had on those around her.

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(UPDATED July 28, 2026 18:28 UTC)

Kris Jenner's mother, Mary Jo Campbell, known as MJ, has passed away due to acute cardiopulmonary arrest. The death certificate indicates that her passing was also linked to acute respiratory failure and metastatic lung issues. This news comes as a significant loss to the family and those who knew her.