Complex sentence: His ancestors were expelled from Spain in the fifteenth century and lived as Sephardic Jews in Istanbul and Thessaloniki, in the late 18th and early 19th century settled in Leskovac.
Split into simpler sentences: His ancestors were expelled from Spain in the fifteenth century and lived as Sephardic Jews in Istanbul and Thessaloniki. In the late 18th and early 19th century they settled in Leskovac.