She was a Muslim and married Shah Jahan , the mughal emperor on May 10 , 1612 at the age of 19 . She was his third wife , and became his favorite . She was married at the age of 14 , on 10 May 1612 , to Prince Khurram , who would later ascend the Peacock Throne as Mughal Emperor Shah Jahan I. Though betrothed to Shah Jahan in 1607 , she ultimately became his third wife , in 1612 , and was his favorite .