Complex sentence: During the Crusades, and again during the French Mandate for Syria and the Lebanon, the name "Alep" was used: "Aleppo" is an Italianised version of this.
Split into simpler sentences: During the Crusades, and again during the French Mandate for Syria and the Lebanon, the name "Alep" was used. However, "Aleppo" is an Italianised version of this.