Kris Jenner‘s sister Karen HoughtonThe cause of death was announced after she died on March 19 at the age of 65.
According to TMZ, Houghton died of cardiac arrest and sudden cardiac arrhythmias. Houghton’s death certificate also listed type 2 diabetes as a secondary cause, according to the outlet.
Jenner, 68, announced her younger sister’s death in an emotional post on Instagram last month.
“It is with the heaviest heart and deepest sadness that I announce that my sister Karen passed away unexpectedly yesterday,” the Kardashians star wrote in a heartfelt caption. “My heart aches for my mother MJ and my niece Natalie and I pray that God guides us all through this difficult time.”
Jenner continued, “Karen was beautiful inside and out. She was the sweetest, kindest, most sensitive and vulnerable and so funny. She always felt gratitude and thankfulness for her life and cherished her family and friends and especially her beautiful daughter. She holds such a large part of my heart and I cherish every single memory we have together. Karen’s death is a reminder that life is so short and precious and there is no promise of tomorrow. We need to tell those we care about how much we love them. I love you, my beautiful sister.”
In addition to her tribute to Houghton, Jenner shared a carousel of old family photos from years past, including a photo of the sisters posing with their mother in front of a Christmas tree. Mary Jo “MJ” Shannona photo of Houghton hugging a boy Rob Kardashian and a picture of Houghton smiling next to a boy Kourtney Kardashian.
Houghton’s daughter, Natalie ZettelShe also commented on her mother’s unexpected death.
“Dear mom, I can’t believe it [sic] gone,” Zettel wrote via Instagram on March 20. “This doesn’t even feel real. I continue to hope that I can hug you or kiss you or hear your voice one last time. You were my best friend, my everything. The best mother a daughter could ever ask for and I am so grateful to have had a mother like you.”
Like Jenner’s tribute, Zettel’s caption was accompanied by a series of photos of Houghton, including one of her cradling her just minutes after she gave birth.
She continued: “You were the kindest, sweetest, most loving, generous and caring soul. You had the biggest heart. And I don’t know how to carry on without you. It all happened so quickly and I wasn’t ready for you to leave.”