Mumtaz Mahal, also known in history as Arjumand Bano Begum, was the daughter of Asif Khan, brother of Noorjahan
. In 1612, she married Shah Jahan
, the ruler of the Mughal Empire
. They had 14 children, seven of them died in infancy. She died in childbirth at the age of 39, in 1631. Shah Jahan made a marvelous tomb for his beloved wife. The tomb is popularly known as Taj Mahal. It is the most beautiful building in the world and a perfect example of the Mughal architectural style.