The Banu Qasi, Banu Kasi, Beni Casi (Arabic: بنو قسي or بني قسي, meaning "sons" or "heirs of Cassius") or Banu Musa were a Basque Muladi dynasty that ruled the upper Ebro valley in the 9th century, before being displaced in the first quarter of the 10th century.
Read more about Banu Qasi: Dynastic Beginnings, First Rise To Prominence, Musa Ibn Musa, Sons of Musa, Muhammad Ibn Lubb, Lubb Ibn Muhammad, Decline and Extermination, Legacy, Leadership of The Banu Qasi