Sayfawa dynasty, Sefouwa, Sefawa, or Sefuwa dynasty is the name of the Tumagrhara Clan, or Tomagra, or Toumaghra means (owner of Tibesti) is Muslim kings (Mai means lord, Derde meams King of Kings, he has immortal status.. (never say derdre is dead), Derde is religious and political leader.) of the Kanem–Bornu Empire, centered first in Kanem in western Chad, and then, after 1380, in Borno (today north-eastern Nigeria). The dynasty was rooted in the Tubu or Toubou expansion by the Kanembu. "The legendary eponymous ancestor of the Saifawa, as the Maghumi are called, only became in Muslim times Saif, the 'lion of Yaman.' The pre-Muslim dynasty is known as the Duguwa dynasty.

Sayfawa-Humewa kings in Kanem

The chronology of the Sefuwa concerns the rule of the Sayfawa dynasty first over Kanem, then over the Kanem–Bornu and finally, since c. 1380, over Bornu alone. The chronology of kings has been ascertained from dynastic records of the Sefuwa on the basis of lengths of reign for the successive kings (mai), found in the Girgam. African historians presently use several conflicting chronologies for the history of Kanem–Bornu. Below a list of the main kings of the Empire with the conflicting chronologies is provided. List of rulers of the Sayfawa dynasty according to John Stewart's African States and Rulers (1989).