Humayun was the eldest son of Babur .Sher Shah Suri an ambitious ruler of Bengal had fought Humayun in the Battle of Chausa in 1539 in which Humayun was defeated and Mughal force was almost destroyed. In the beginning Humayun was helped by the ruler of Amarkot Rana Virsal where Hamida Banu gave birth to Akbar in 1542. Humayun finally got shelter in the court of Emperor Shah Tahmasp of Persia. Humayun reconquered his Indian empire with the help of Shah of Iran in 1555 by defeating Afghans. He died in 1556. Humayun was passionately devoted to the study of astronomy, loved painting and wrote Persian poetry.