Muhammad Ali (born Cassius Marcellus Clay, Jr., 1942–2016) – converted from Baptist[8][9] to The Nation of Islam to Sunni Islam;[10] American professional boxer (three-time world heavyweight champion), philanthropist and social activist
Józef Bem – Polish and Hungarian general; historically defined as a national hero within Poland and Hungary; escaped to the Ottoman Empire where he converted to Islam and took up the name Murad Pasha[20]
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Myriam François, previously François-Cerrah – English journalist who converted from Roman Catholicism in 2003[47]
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Ibn Jazla – 11th-century physician and Christian convert who later wrote to refute doctrines of Christianity[69]
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Murat Reis or Jan Janszoon – Dutch Barbary pirate who was an admiral for the Republic of Salé; converted from Christianity; became a very active Muslim missionary who tried to convert Christian slaves[130]
Yvonne Ridley – British journalist, from Anglicanism; converted after being kidnapped and released by the Taliban[131][132]
Daniel Streich – Swiss military instructor, community council member and a former member of Swiss People's Party [148][149]
Kösem Sultan – born Anastasia, the daughter of an Orthodox priest, and later enslaved by Ottomans and sent to Istanbul, where she became one of the most powerful and influential women in the Ottoman Empire[150][151]
Mike Tyson – American former professional boxer; nicknamed "Iron Mike" and "Kid Dynamite" in his early career, and later known as "The Baddest Man on the Planet"[159][160]
Anselm Turmeda, later known as Abd Allah at-Tarjuman – 14th century priest and writer in Catalan language from Mallorca who converted to Islam and settled in Tunis. He is one of the earliest writers to have written in both Arabic and a Latin language (Catalan).
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^Freely, John (1996). Istanbul: the imperial city. Viking. p. 215. ISBN0-14-024461-1. Then around 1608 Ahmet found a new favourite, a Macedonian girl named Anastasia, who had been captured on the island of Tinos and sent as a slave to the Harem, where she took the name of Kosem
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