The Zā dynasty (also rendered Dya, Zuwā, Zu’a, Juwā, Jā’, Yā, Diā, and Diu’a, sometimes equated with the Zaghe) were rulers of the Gao Empire based in the towns of Kukiya and Gao on the Niger River in what is today modern Mali; and rulers of the Songhai Empire through Sunni Ali, son of Za Yasibaya (Yasiboi), who established the Sonni Dynasty. The Songhai people are among those descended from this kingdom and the Zarma people of Niger derive their name, which means "the descendants of Za", from this dynasty.
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Za dynasty in the context of Gao Empire
The Gao Empire was a kingdom that ruled the Niger bend from approximately the 7th century CE until their fall to the Mali Empire in the late 14th century. Ruled by the Za dynasty from the capital of Gao, the empire was an important predecessor of the Songhai Empire.
View the full Wikipedia page for Gao Empire