Original sentence: He was captured with his brother Yannis in 1821 while his father is Stephanis Kalkias Stravelakis massacred prelude to the massacre of Chios in 1822, he was taken to Izmir and then Constantinople, where it is sold as a slave to an envoy of the Bey of Tunis.Khaznadar died in 1878 and is buried in El Bey Tourbet at the heart of the Medina of Tunis.Mustapha Khaznadar (مصطفى خزندار)(1817 1878), was Prime Minister of Tunis from 1837 to 1873.Mustapha Khaznadar was born of Greek origin as Georgios Stravelakis on the island of Chios in 1817.Raised in the family by Mustapha Bey Bey, then by his son Ahmed I Bey while it was still crown prince, he managed to climb to the highest offices of the Tunisian state: he married Princess Lalla Kalthoum in 1839 and was promoted to lieutenant-general of the army Bey in 1840 and then president of the Grand Council of 1862 to 1878
Edited sentence: Along with his brother Yannis, he was captured by the Ottomans during the massacre of Chios in 1822, while his father Stephanis Kalkias Stravelakis was killed.He was then taken to [{Smyrna]] and then Constantinople, where he was sold as a slave to an envoy of the Bey of Tunis.Khaznadar died in 1878 and is buried in El Bey Tourbet, at the heart of the Medina of Tunis.Mustapha Khaznadar (مصطفى خزندار‎, 1817–1878), was Prime Minister of the Beylik of Tunis from 1837 to 1873.Mustapha Khaznadar was of Greek origin, and was born as Georgios Stravelakis on the island of Chios in 1817.Raised in the family by Mustapha Bey, then by his son Ahmad I Bey while he was still crown prince, he managed to climb to the highest offices of the Tunisian state: he married Princess Lalla Kalthoum in 1839 and was promoted to lieutenant-general of the army, made bey in 1840 and then president of the Grand Council from 1862 to 1878