STC433494 Kosem Sultan, (hand-coloured engraving) by French School; Private Collection; (add.info.: HIH The Emperor\'s mother Kosem Sultan (c.1589-1651) also known as Mehpeyker Sultan was one of the most poweful women in Ottoman history; consort and favourite concubine of Ottoman Sultan Ahmed I (r.1603-17); mother of Murad IV (r.1623-40) and Ibrahim I (\'the Mad\') (r.1640-48):); The Stapleton Collection; French, out of copyright.