Kösem Sultan (Ottoman Turkish: كوسم سلطان;[a] c. 1589[1] – 2 September 1651[2]), also known as Mahpeyker Sultan[3][4] (Persian: ماه پيكر;[b] lit. 'Visage of the Moon'), was Haseki Sultan of the Ottoman Empire as the chief consort and legal wife of the Ottoman Sultan Ahmed I, Valide Sultan as the mother of sultans Murad IV and Ibrahim, and Büyük (lit. 'elder') Valide Sultan as the grandmother of Sultan Mehmed IV. She became one of the most powerful and influential women in Ottoman history!!