Answer
The Shah is the title of the monarch of Iran, and was held by Farah Diba's first husband, Mohammad Reza Pahlavi. Pahlavi was the Shah of Iran from 1941 to 1979, and was deposed in the Iranian Revolution. Farah Diba was the Empress of Iran from 1959 to 1979, and is the current Honorary Chairperson of the Farah Pahlavi Foundation.