What is "bseiso"

Bseiso (also transliterated Beseiso, Bsaiso, Bsesou, Bsiso, Bseisu) is an Arab ( Levantine) surname of Palestinian origins, dating back to late 18th and early 19th century. They are among the largest Palestinian families in Palestine and are well known throughout the region. The first individuals with the surname 'Bseiso' are traced back to Gaza in Palestine, though today descendants are scattered around the world, primarily in Palestine, Jordan, Kuwait. The Bseiso family's roots come from the Kayyali Family , and the forefather who was first nicknamed "Bseiso" was Ahmed Al-Kayyali .