By Ayeesha Walsh Kris Jenner’s sister Karen Houghton was tragically found dead at the age of 65. Speculation has been rife over what caused the younger sister of Kris and aunt of her famous daughters to unexpectedly die, but for now, officials are attributing to natural causes. A call for medical help was placed to the San Diego County Sheriff’s Department at around 1:30 p.m. Monday. Why the call was made is not clear, with authorities not disclosing the information, but when deputies from the department arrived, the fire crew was already attempting to provide life-saving measures for Karen. H…