Mir-Hossein Mousavi on 2 March 1942 in Khameneh, East Azerbaijan, Iran. He is an ethnic Azerbaijani, whose family originated from Tabriz. His father, Mir-Ismail, was a tea merchant from Tabriz. Mousavi grew up in Khameneh, and moved to Tehran following his graduation from high school in 1958. Mousavi is a relative of fellow Khameneh native Ali Khamenei: Mousavi's grandmother is Khamenei's paternal aunt. He earned his undergraduate degree in architecture from the National University of Tehran (now Shahid Beheshti University), and in 1969 was awarded his master's degree in architecture from the National University of Tehran, focusing primarily on traditional Iranian architecture.
Hossein Shariatmadari Mir Hossein Mousavi was trying to "escape punishment for murdering innocent people, holding riots, cooperating with foreigners and acting as America's fifth column inside the country" and called for Mousavi and former reformist President Mohammad Khatami to be tried in court for "horrible crimes and treason." In 2009, during the first contested presidential elections, Shariatmadari was announced that Mohammad Khatami would risk the same fate of Benazir Bhutto if he was elected. After the elections, alongside the Green Party protests, Shariatmadari accused Mir Hossein Mousavi of being a fifth column of the US and causing the deaths of many people.