Daoud was the

half-brother A sibling is a relative that shares at least one parent with the subject. A male sibling is a brother and a female sibling is a sister. A person with no siblings is an only child. While some circumstances can cause siblings to be raised separat ...

of the 14th-century Kanem emperor

Idris I of Kanem Idris I was a grandson of Mai Bir kachim and a descendant of Ibrahim Nikale. He established peaceful relationship with the Sao after four Kanem kings had been killed during conflicts with the Bornu indigenous ethnic groups or Sao. Idris I was ...

. After the death of Idris, a struggle for the throne began. Daoud was chosen as Mai against his competitors, the sons of Idris. This left the sons dejected and bitter, due to which they waged war against Daoud and his supporters; this led to a century of successive conflicts between the Idrisus and the Daouds. It is believed the conflict may have weakened the

Sefuwa dynasty Sayfawa dynasty, Sefouwa, Sefawa, or Sefuwa dynasty is the name of the Muslim kings (or ''mai'', as they called themselves) of the Kanem–Bornu Empire, centered first in Kanem in western Chad, and then, after 1380, in Borno (today north-eas ...

and made it vulnerable to external attacks.

References

14th-century monarchs in Africa Rulers of the Kanem Empire {{Africa-royal-stub