Hamid Reza Pahlavi was born on 4 July 1932. He was the youngest son of Reza Shah and his fourth and favourite wife, Esmat Dowlatshahi. His parents married in 1923. His mother was a member of the Qajar dynasty.[citation needed] Of both his parents he had four siblings: Abdul Reza Pahlavi, Ahmad Reza Pahlavi, Mahmoud Reza Pahlavi and Fatemeh Pahlavi.They lived in the Marble Palace in Tehran with their parents.