Complex sentence: The first references to the establishment of Jewish families in the Azores dating from the first half of the nineteenth century, originating from Morocco, from where they left due to economic restrictions that were being imposed on them there at the time.
Split into simpler sentences: The first references to the establishment of Jewish families in the Azores is from the first half of the nineteenth century. Jews came to the Azores from Morocco because of the economic restrictions that were being imposed on them there at the time.