Kelly Curtis, an actress and the older sister of Jamie Lee Curtis, died on Saturday (May 30) at 69, and a coroner has now confirmed her cause of death.

According to Us Weekly, the Blaine County coroner’s office in Idaho determined that Kelly died of natural causes. The report also noted that Kelly had been in hospice care for the last week prior to her death at 2:30 a.m. on May 30.

Originally published on tvinsider.com, part of the BLOX Digital Content Exchange.