Judge of Arborea

 
The Kings or Judges (from the Latin "iudices" and the Sardinian ', "judges," the title of the Byzantine officials left behind when Imperial power receded in the West) of the Arborea were the local rulers of the west of Sardinia during the Middle Ages. Theirs was the longest-lasting judgedom, surviving as an independent state until the fifteenth century.
House of Narbonne.
"Sold to Crown of Aragon. Following were titular rulers."