Bôssassu (or Itchassu) was the name given to the nephew of King Mecca - the first sovereign of the island of Bissau -, son of his sister Pungenhum. Bôssassu formed the main clan of the papel peoples and the Kingdom of Bissau, the main of the pre-colonial states on the island of Bissau. The bassassum were the kings and noblemen (djagras) of the Kingdom of Bissau.