The Ottoman privateer and admiral Uluj Ali was born
Giovanni Dionigi Galeri in Calabria in 1519, son of a fisherman. When he was 17 he was captured by North Africvan corsaries and became a galley slave. To escape this fate, he converted to Islam, and became first an Ottoman sea captain, then an admiral, later became beylerbey of Alexandria, beylerbey of the Ottoman Regency of Algiers, and finally Grand Admiral (
Kapudan Pasha) of the Ottoman Empire. He was not an isolated case; most North African corsaries of that era were Christian "renegades".
Cığalazade Yusuf Sinan Pasha, born
Scipione Cicala, was an Ottoman general,
Kapudan Pasha and finally Grand Vizier of the second half of the XVI century. Hi father, Viscount Cicala, was a Genoese corsair in Spanish service; both he and his son were captured at the Spanish
débacle of Djerba in 1565 when Scipione was around 20 years old. They were held captives first at Tripoli and later in Istanbul; the father was eventually ransomed, but his son entered the service of the Sultan and enjoyed a meteoric rise. After converting to islam, he eventually married, first one (1573) and then (1576) another great-granddaughter of Sulayman the Magnificent and in 1575 he became Agha of the Janissaries. He took an active part in the Ottoman-Safavid war of 1578-1590, conquering Nihavand and Hamadan in western Iran, and became governor first of Van and later Erzerum. In 1591 he became
Kapudan Pasha of the Ottoman fleet, and as Third Vizier he accompanied Sultan Mehmed III in the Hungarian campaign of 1596 against the Austrian Habsburgs. He was appointed as Grand Vizier for forty days between 27 October and 5 December 1596, became later governor of Damascus and was appointed
Kapudan Pasha for a second time in 1599. In 1604 he assumed command of the whole Ottoman eastern front in the renewed war against the Safavids, but he was heavily defeated near Lake Urmia in Iranian Azerbaijan; he died during the retreat of his army towards Diyarbakir.
As for Ottoman Grand Viziers, most of them were Christian-born converts to Islam during the XV and XVI centuries. In turn, most of them had been abducted from their families during childhood as part of the
devshirme (see this
Wikipedia list).