Complex sentence: Qasin organised the "a'ayan" (notables) of Nablus, Hebron and Jerusalem and on 19 May, 1834, the clans, led by Qasim--notified Egyptian officials that Arab families would no longer supply the Egyptian army with troops.
Split into simpler sentences: Qasin organised the "a'ayan" (notables) of Nablus, Hebron and Jerusalem. And on 19 May, 1834, the clans, led by Qasim--notified Egyptian officials that Arab families would no longer supply the Egyptian army with troops.