Gohar Sultan Begum
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Gohar Sultan Begum (also Gauhar Sultan Begum, Gawhar-Sultan Khanim, Gawhar Sultan Khanum)[2][3] (died 1577) was the daughter of shah Tahmasp I of Persia (r. 1524–1576).[4]

She was sister to shah Ismail II.
She was married to her father's nephew, Ibrahim Mirza, whom she supported against her brother.[2] The marriage most likely occurred in 1556.[3] Gauhar Sultan Khanum gained admiration for her learning.[5] Tradition holds that she died of grief after her husband was killed.[6]