The cause of Queen Elizabeth II’s death was old age, according to the U.K.-based Press Association, which quoted her death certificate.

The queen, who died on September 8 as the longest-reigning monarch in British history, was 96.

According to the document, Queen Elizabeth II officially passed away at 3:10 p.m. GMT at her summer home, Scotland’s Balmoral Castle. The queen’s eldest daughter, Princess Anne, was the informant of her death, which is the technical term for the person providing information about the decedent on a death certificate.

Source-ABC