Washington [US], March 20 (ANI): Kris Jenner mourned the demise of her younger sister Karen Houghton after her sudden death at age 65. She shared a heartfelt tribute in her honour and announced that her sister had died “unexpectedly” the day before, reported People. With “the heaviest heart” and the “deepest sadness,” Jenner posted a carousel of pictures from their cherished sisterhood. They included baby photos, self-portraits and moments from various family events. “My heart aches for my mom MJ and my niece Natalie and I pray that God guides us all through this difficult time,” she captioned…