Kris Jenner’s mother, affectionately known to fans as MJ, passed away at a Los Angeles hospital on July 16. She was 91 years old.
Kris Jenner and her mother MJ posing for a photo together
Official Cause of Death Confirmed
Recent details from MJ’s death certificate confirm her immediate cause of death was acute cardiopulmonary arrest.
This medical event is defined as the complete cessation of effective circulation and ventilation. Ultimately, her heart stopped pumping blood and her lungs ceased functioning.
The official document also listed acute respiratory failure and metastatic lung cancer as significant contributing factors. Reports indicate she had been privately battling the cancer for months prior to her passing.
No autopsy was performed following her death. MJ was subsequently cremated on July 23.
A Daughter’s Heartfelt Tribute
Kris shared the heartbreaking news with the public on July 16 through an emotional Instagram tribute dedicated to her mother.
“Today, we said goodbye to my beautiful Mommy MJ,” Kris began. “There are no words that could ever capture what she has meant to me or the heartbreak of having to say goodbye.”
She remembered her mother as the core of their famous family. “My mom was the heart of our family. She taught me everything that truly matters… to love your family fiercely, to be kind, to show up for the people you love, and to never take a single moment together for granted.”
“She taught us that family is everything. She showed us how to love unconditionally and how to find joy in the little moments,” she wrote.
“She showed me how to face life’s challenges with resilience and faith,” she continued. “Mom, thank you for every sacrifice you made, every piece of wisdom you shared, and every moment you loved us so completely. I will miss our daily talks, your smile, your laughter…”
“Our hearts are broken, but we find comfort knowing that love like yours never truly leaves us. Your love will live on in our family, in our traditions, in every moment we are together, and in every life you touched. When I look at my kids and my grandkids, I will forever see pieces of you in all of us.”
“There is not a part of me that isn’t shaped by you,” Kris added. “And if I have done anything right in this world, it’s because I spent my life trying to live in a way that would make you proud.”
“Every memory, every moment, every blessing, it was all because of you, and I will forever thank God every single day for making you my mommy.”
“My heart is broken into a million pieces… thank you for giving me the greatest childhood and oh what a beautiful blessed life… I love you forever Mommy,” Kris concluded. “Thank you for giving us everything.”
Navigating the Immediate Aftermath
In the wake of the loss, the family began the difficult process of grieving publicly.
Shortly following the announcement of MJ’s passing, Kim Kardashian found herself having to explain the context of a separate Instagram post as fans reacted to the tragic family news.

